Automatic Temperature Control Never worry about forgetting to vent your hothouse. This heat sensitive automatic greenhouse window opener responds to temperature changes, efficiently regulating your greenhouses internal climate. It automatically opens and shuts your greenhouse window to maintain an optimal growing environment and prevent greenhouse from overheating, keeping your sensitive plants, flowers, and vegetables safe from scorching heat even when you are away.. Heavy Duty Dual Spring Design Compared with the single spring vent, our dual spring auto vent opener adopts a premium double spring design that delivers stronger thrust force and more solid stability. It is capable of lifting roof vents weighing up to 15lbs 7kg smoothly. Not only perfect for ordinary areas, but this heavy-duty mechanism is also engineered to withstand sudden wind gusts and resist wind twist in windy mountain areas, ensuring your vents stay securely in place without slamming.. Solar Powered Wide Temp Range This eco-friendly solar window opener requires zero electricity, batteries, or wiring. Operating as a self-regulating autovent window opener, its gas-filled cylinder expands to push the window open when temperatures rise, and closes smoothly when it cools down. Opening between 60F - 77F 15C to 25C with a full open above 86F 30C.. Rust-Proof Aluminum Construction Made of high-quality rust-proof aluminum alloy with stainless steel accessories, these greenhouse supplies provide stable and long-lasting performance season after season. The corrosion resistant frame is built to handle the high humidity inside greenhouses and withstand daily outdoor weather conditions, making it a reliable choice for your gardening tools.. 1PCS Easy Installation This 1pcs automatic greenhouse vent opener comes as a complete kit for your greenhouse window. Installing the greenhouse vent opener is quick and straightforward with the provided screws and detailed manual, making it a reliable and hassle-free choice for your garden setup..

Premium MaterialAutomatic window opener is made of aluminum alloy, maximum window opening 45cm17.7inch. Maximum opening about 30. Maximum opening weight 7kg15lb. Size 38 x 9.5 x 9.5 cm 14.96 x 3.74 x 3.74 inch appr.. Double Spring DesignCompared with the single spring vent, the double spring greenhouse window opener has stronger thrust force, more solid, and much durable.. Solar Heat SensitiveNon electric, our window vent opener uses solar energy. The automatically adjusted temperature is 15 to 25C. When the temperature exceeds 25 degrees, the window regulator will remain open. The temperature drops to 15-18 degrees Celsius and the opener will close completely.. High PerformanceAs the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.. Ideal for Your Greenhouse WindowThe greenhouse window opener can be clamped onto or screwed onto your greenhouse frame, opens and closes your greenhouse window..

Easy Setup with Video Step by step video guide, easy calibration, includes 2 long screws for metal frames. Maximum Thrust of 15 Pounds Powerful spring and cylinder design, easy to open and close heavy-duty ventilation windows. High Strength Aluminum Alloy Made of strong aluminum alloy, superior durability for stable, long term use. Solar Powered Automatic No electricity needed, heat activated, prevents overheating freezing automatically. Universal Fit for Greenhouses Fits most greenhouse types, auto regulates temperature, your smart gardening helper.

UYGALAXY Automatic Window Opener used for greenhouse venting, Auto open and close windows through temperature changes When the temperature reaches 7725 will open the window, when the temperature reaches 59 15 will close the window.Help your greenhouse cool down.. Greenhouse Automatic Window Opener is made of aluminum alloy. Maximum window opening approximately 45 cm17.72 in. Maximum opening at 30'86'F depending onadjustment and load. Weighing up to 7kg15lb.. Double Spring Design Compared with the single spring vent, the double spring greenhouse window opener has stronger thrust force, more solid, and much durable.. Widely Applicable these greenhouse accessories are practical and useful tools, which can be widely applied for greenhouse windows and greenhouse vents in higher wind situations, maintaining the nice growing temperature and preventing your greenhouse from overheating. Maintenance Lubricate all movable parts with a light oil after fittingeach spring and as required duringthe summer. Applypetroleum jelly or grease to the cylinder threadoccasionally.

DUAL SPRING DESIGN Compared with the single spring vent, our solar heat sensitive roof vent opener adopts double spring design, which has stronger thrust force and more solid In addition to ordinary areas, it can also be applied in windy mountainous areas, resist wind twist, bringing much convenience to you.. SOLAR POWERED OPERATION Our greenhouse vent automatic opener responds to temperature changes, efficiently regulating your greenhouse's internal climate. As the temperature rises, the gas-filled cylinder expands, gently pushing the window open. Once the temperature cools down, the spring mechanism closes the window smoothly.. DURABLE MATERIAL Black Color powder coating for frame, crafted from aluminum alloy, this window opener guarantees long-lasting performance. Built to withstand outdoor weather conditions, the corrosion resistant materials ensure reliable performance season after season.. PRECISE TEMPERATURE CONTROL Operating between 15C to 25C 60F - 77F, the greenhouse window opener adapts to various weather conditions. Automatic window opener helps maintain an optimal growing environment inside the greenhouse with temperatures that neither get too hot nor too cold.. EASY INSTALLATION Installing the greenhouse vent opener is quick and straightforward with the provided clamps and screws. It fits most greenhouse windows and seamlessly integrates with roof vents for houses, making it a versatile choice for different setups..

Temperature Sensitive Ventilation Our greenhouse vent automatic opener responds to temperature changes, efficiently regulating your greenhouse's internal climate. As the temperature rises, the gas-filled cylinder expands, gently pushing the window open. Once the temperature cools down, the spring mechanism closes the window smoothly. Wide Temperature Range Operating between 15C to 25C 60F - 77F, the greenhouse window opener adapts to various weather conditions. Automatic window opener achieves a full opening at temperatures above 30C 86F and offers a maximum vent distance of 18'' 45cm, promoting optimal air circulation. No Batteries Required Our automatic greenhouse window opener is completely self-sufficient and doesn't rely on batteries or electricity for operation. No additional power source is needed, saving you money and reducing environmental impact. Reliable Helper Crafted from iron and stainless steel, this window opener guarantees long-lasting performance. Auto vent opener can withstand the demands of greenhouse environments, ensuring it remains your trusted gardening companion for years. Easy Installation and Compatibility Installing the greenhouse vent opener is quick and straightforward with the provided clamps and screws. It fits most greenhouse windows and seamlessly integrates with roof vents for houses, making it a versatile choice for different setups.

Easy Setup with Video Step by step video guide, easy calibration, includes 2 long screws for metal frames. Dual Spring 15 lbs Thrust Powerful dual spring design, effortlessly opens and closes heavy vents windows. High Strength Aluminum Alloy Made of strong aluminum alloy, superior durability for stable, long term use. Solar Powered Automatic No electricity needed, heat activated, prevents overheating freezing automatically. Universal Fit for Greenhouses Fits most greenhouse types, auto regulates temperature, your smart gardening helper.

Easy Setup with Video Step by step video guide, easy calibration, includes 2 long screws for metal frames. Dual Spring 15 lbs Thrust Powerful dual spring design, effortlessly opens and closes heavy vents windows. High Strength Aluminum Alloy Made of strong aluminum alloy, superior durability for stable, long term use. Solar Powered Automatic No electricity needed, heat activated, prevents overheating freezing automatically. Universal Fit for Greenhouses Fits most greenhouse types, auto regulates temperature, functions as a smart gardening helper. Heat Activated Operation Opens vents when temperature rises and closes them when temperature drops, working continuously without manual intervention. Complete Vent Kit Includes 2 automatic greenhouse window openers with dual spring mechanism, providing comprehensive ventilation control for your greenhouse.

TEMPERATURE-ACTIVATED AUTOMATIC VENTILATION This automatic greenhouse window opener features a solar heat sensitive hydraulic cylinder that triggers between 60F - 77F 15C-25C. It reaches a maximum opening distance of 18 inches, ensuring optimal airflow without manual monitoring. It responds very accurately to temperature changes and works like a charm season after season. ECO-FRIENDLY NO BATTERIES REQUIRED Utilizing solar thermal energy, this non-electric auto vent kit is entirely self-sufficient. The gas-filled cylinder expands to open the vent and contracts as temperatures drop. It's a set and forget deviceno more running out to the greenhouse every time the sun comes out. CORROSION-RESISTANT REINFORCED DESIGN Crafted from premium anodized galvanized steel to prevent rust from rain, snow, or UV rays. The dual spring design is a major upgrade greenhouse opener keeps the window much more stable during windy spring days and prevents the bracket from bending. UNIVERSAL DESIGN HEAVY-DUTY LIFTING This versatile window opener for greenhouse is compatible with most roof vents, side-hung, or upward-hung windows in greenhouses, sheds, and cold frames. Includes all necessary greenhouse supplies clamps and screws for a hassle-free install. This thing is beefy and has no problem lifting reinforced PC panels. EASY INSTALLATION RELIABLE PERFORMANCE This maintenance-free greenhouse vent opener ensures smooth operation for all gardeners, allowing you to focus on plant care. Installation is straightforward even for someone who isn't very handy, fitting perfectly on most standard greenhouse frames.

PRODUCT DIMENSION This 14-Inch Automatic Gravity Shutters outer dimension measures 17.72 x 17.72 x 2.36 Length x Width x Depth, ideal for home, garages, and greenhouses check the product image for detailed product dimensions.. HIGH-QUALITY ALUMINUM Louvers made from high-quality aluminum that its durable and never corrosion or rust, maintain a neat and smooth surface.. WEATHER PROOF Precision manufacturing that the louvers can 100 fully close to prevent water from entering. Heavy duty and precision structure enable this Shutter to withstand tropical storm conditions including hurricanes and tornados.. FUNCTIONAL Automatically open and gravity close. This shutter accompany with an iPower motor and fan blade can help to cool your space and remove excess heat.. CAUTION This Automatic Gravity Shutter is sold alone, does not include the exhaust fan blade and motor..

Cylinder Replacement Parts Only available for cylinder replacement, convenient for you to replace the old greenhouse window opener automatic cylinder, does not include the window opener, please check carefully. Non Electric Utilizing solar energy to open or close greenhouse vents during temperature changes. When the temperature rises, the cylinder expands and gently pushes open the window. Once the temperature drops, the window opener spring will pull the air rod back and the window will close. Applicable Temperature The temperature range is 15 C to 25 C 60 F to 77 F, suitable for all weather conditions. Do not use replacement cylinders in places where the temperature exceeds 50 degrees Fahrenheit 122 degrees Fahrenheit. Attention If the product does not shrink when it is cold or hot, it may be because the product has reached its maximum length during high-temperature transportation. Just put the product in the refrigerator and refrigerate for a while before use. Compatibility Compatible with most single spring or double spring greenhouse window openers. Suitable for windows weighing less than 14 KG. Maximum opening distance approximately 45 cm18 inches.

Automatic Shutter Louver Vent YAGEANNL Shutter vents for outside windows are carefully made of high-quality aluminum, easy to install and maintain, sturdy, corrosion-resistant, and keep the surface clean and smooth. 2Pcs Shutter Vent Size 20 inch automatic gravity blinds, the dimensions of each are 23.6 x 15.7 x 3.9 inches 60 x 40 x 10 cm, including 2 shutter vents. Very suitable for home, workshop, warehouse, greenhouse use. Gravity Shutter Louver Vent The gravity shutter vent has 10 blades that open automatically with the airflow and close by gravity to suit different ventilation needs.. Closeable Protective Shutter Bents Precision-made shutter vents can be completely closed, effectively blocking wind, rain, and insects. High-quality manufacturing makes this shutter vent effective in protecting against bad weather.. Only Two Shutter Vents Note that this YAGEANNL automatic shutter vent is sold separately and does not include the exhaust fan blades and motor..

Greenhouse Window Opener The Automatic Greenhouse Vent Opener is engineered to handle up to 15 lbs of load, making it ideal for most greenhouse windows. This automatic window opener ensures smooth, No electricity needed.. Solar Heat Sensitive Solar greenhouse vent opener reacts instantly to temperature changes Window vent opener activates at 77F to vent heat and fully closes at 59F.. Durable Rustproof Built for lasting performance The greenhouse window automatic vent opener features heavy-duty galvanized steel pistons and anti-rust coating, giving it a longer service life.. Auto OpenClosed This greenhouse automatic temperature-controlled window opener features automatic openingclosingno batteries or electricity required. Harnessing solar energy, vent opener greenhouse operates via thermal induction, adjusting automatically with temperature changes.. Quick Installation Easily install this automatic greenhouse window opener in just 5 minutes with a screwdriver. Automatic window opener includes illustrated instructions and pre-drilled holes, compatible with roof vents, side windows, or sloped greenhouses..

Greenhouse Window Opener The Automatic Greenhouse Vent Opener is engineered to handle up to 15 lbs of load, making it ideal for most greenhouse windows. This automatic window opener ensures smooth, No electricity needed.. Solar Heat Sensitive Solar greenhouse vent opener reacts instantly to temperature changes Window vent opener activates at 77F to vent heat and fully closes at 59F.. Durable Rustproof Built for lasting performance The greenhouse window automatic vent opener features heavy-duty galvanized steel pistons and anti-rust coating, giving it a longer service life.. Auto OpenClosed This greenhouse automatic temperature-controlled window opener features automatic openingclosingno batteries or electricity required. Harnessing solar energy, vent opener greenhouse operates via thermal induction, adjusting automatically with temperature changes.. Quick Installation Easily install this automatic greenhouse window opener in just 5 minutes with a screwdriver. Automatic window opener includes illustrated instructions and pre-drilled holes, compatible with roof vents, side windows, or sloped greenhouses..

Galvanized Steel Sheet Construction Greenhouse window opener features galvanized steel sheets that offer excellent corrosion resistance. The vent opener's strength and toughness are well-balanced, allowing them to withstand large external forces without deformation or fracture, while the galvanized layer is uniform and smooth with a beautiful appearance. Dual Spring Design The double spring greenhouse vent opener can bear 30lbs 15kg, and the thrust is stronger than the single spring, allowing the automatic greenhouse vent opener to be used in different weather conditions. Solar Heat Sensitive Operation The greenhouse window opener operates between 15 to 25 60 - 77 and cannot be used at temperatures above 60140. The window opener adapts to various weather conditions and helps maintain an optimal growing environment inside the greenhouse with temperature control. Adjustable Indoor Ventilation Control Greenhouse window opener kit features a maximum window opening of about 45cm 17.72 inches. The window opening time can be manually adjusted to control the temperature, and the solar automatic window opener optimizes plant health through temperature management. Easy Installation Process Installing the greenhouse vent opener is quick and straightforward with the provided clamps and screws. Place the black bar into the refrigerator for at least 5 minutes to make the automatic window opener cylinder rod fully retracted before assembling the roof vent opener. Two-Pack Value Set This package includes 2 pieces of greenhouse window openers, providing comprehensive ventilation solutions for multiple greenhouse windows or vents to ensure proper air circulation throughout your growing space.

Energy Efficiency Non Electric, utilizes solar energy to open or close the greenhouse vents. This greenhouse window opener cylinder promotes a sustainable and energy efficient greenhouse operation.. Temperature Control Made Easy With a temperature range of 15-25C 60-77F, our greenhouse winder is easy to use and ensures your plants stay healthy and happy.. Durable and Reliable Designed to withstand various weather conditions, greenhouse vent opener cylinder provides consistent and reliable operation. Greenhouse window cylinder replacement ensures the proper ventilation and climate control required for healthy plant growth.. Replacement Cylinder Only Only provides replacement cylinders for your convenience to replace the old greenhouse window opener auto cylinder, window opener is not included, please check carefully.. Note In order to ensure a good use experience,this cylinder need to be refrigerated for half an hour before use it.Do not use this opener cylinder anywhere the temperature will exceed 50 122F..

SUPER HEAVY DUTY CAPACITY-This heavy duty window opener is specifically designed for wooden frame glass windows, it has the capacity to open the window weight up to 132Lbs60kg.. ECO-FRIENDLYNO POWER NEEDED- It is driven by thermostat gas cylinder, no need any electronic power.Driven by its thermostat gas cylinder, it can automatically open and close the window when the room temperature rises or drops, save your time to operate it. As it works by solar power, the installation is much easy, and no electric wiring required.. WIDELY USED-it could be widely used at all kinds of greenhouse,especially perfect for Geodesic Dome Greenhouse or other greenhouse with heavy or big window.As it is specially designed for heavy wooden frame glass windows,so it is a piece of cake for it to work for Aluminum framepolycarbonate panel windows.. DURABLEMUCH STABLE-We take plenty of premium steel and aluminum materials to manufacture, durable and no corrosion worry.The materials' weight of this opener is up to 1.9kgs,which is much more heavy than normal window opener of around 0.45kgs.That means it definitely will be more strong and stable for your greenhouse windows.Why not take a more durable and stable window opener,you will have no worry at windy day.

Precise Temperature Control Intelligent Ventilation Greenhouse automatic vent opener uses a thermal hydraulic rod to sense temperature and regulate climate. Opens vents above 77F, closes below 59Fprotecting plants from overheating or cooling. Note Do not use above 122F.. Solar Thermal Sensing, Auto OpenClose Eco-friendly and battery-freepowered entirely by solar energy. This automatic greenhouse window opener responds to heat, adjusts with temperature changes, and reduces manual labor. Great for greenhouses and winter gardens.. Durable Rust-Proof Made of high-quality galvanized steel for rust resistance and all-weather reliability. Saves replacement costs. The double spring opener provides an 18-inch max opening width for strong ventilation without losing stability.. ? Enhanced Dual-Spring System Heavy-duty dual-spring design improves stability and adaptability, even in wind. Locks windows securely to prevent slamming or damage. Offers greater thrust for heavierlarger windows, smoother operation, and longer lifespan.. Easy Installation Wide Compatibility Comes with rust-proof screws and brackets. Lightweight, requires only a screwdrivermounts on panel, metal, or wood frames. Illustrated guide included. Works for greenhouses, industrial plant facilities, and rooftop skylights.. Save Time, Protect Plants No more overheating or frost worry. Automates daily ventingso you can focus on your plants..

HIGH QUALITYAll parts corrosion resistant. Spring controlled - Resists wind damage when opening and closing. When temperature above 2577F, the window opener will keep opening.Fully open temperature at 30 86F or above once temperature drop to about 1559F, the window opener will totaly close.. NON ELECTRICUses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars - no drilling needed quality construction.. APPLICATIONMaximum window opening approximately 45cm18'', depending on adjustment and load. Window roof vent opener Suitable for greenhouse window up to 7kg if more than 7kg, we recommend you to use two window opener.. AUTOMATICThis opener will automatically open and close your greenhouse window, as the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.. NOTICE Do not apply excessive loads by locking or covering window.The automatic ventilation window opener in the greenhouse cannot be used in an environment with a temperature higher than 50.

20 Inch Automatic Shutter Louver Vent Package comes with 2 louver window shutters, the outer dimension of the shutter louver vent measures 22.44 x22.44 x1.77, suitable for windows outside, home, garages and greenhouses. Automatic Gravity Shutter 2 pack automatic gravity shutter louver vent, easy to install and maintain. this aluminum shutter can automatically opens and closes with airflow, adapting to different ventilation needs. Premium Quality Aluminum Our gravity shutter louver vent is made of superior quality aluminum that it's strong and sturdy, will not rust or corrode. Heavy Duty Shutters automatic exhaust shutter louver vent can be fully closed to effectively block rain and dust, can withstand harsh weather conditions. Exhaust fan blades and motor are not included. Wide Applications This gravity shutter vent can circulate indoor and outdoor air and can also reduce or increase indoor temperature, great for use in attics, workshops, factories, warehouses, sheds, barns and greenhouses.

Automatic Window Opener Prevent hobby greenhouse overheating. Auto OpenClosed.The greenhouse window opener does not consume any power, no batteries or electrical power needed. Ideal for your greenhouse window, wall and hobby vents in higher wind situations. Starts opening between 59 - 77F, Replaces manual vent arm. Screw directly into polycarbonate panels, wood, or metal frames..

Product name Automatic greenhouse ventilation opener Solar thermal roof ventilation automatic window opener. These automatic greenhouse window openers are mainly made of high-quality aluminum alloy materials, which are durable and not easy to break or rust, and you can rest assured that you can use them. Reusable. Features Temperature control window opener intelligent with the change of temperature, the window of the greenhouse automatically opens, maintains the optimal growth temperature, and prevents the greenhouse from overheating. Openclose automatically. Greenhouse window openers do not consume any electricity and do not require batteries or electricity. temperature control window opener support, thermal expansion and contraction, opening and closing with temperature, strong support.. Easy installation No need for electricity The use of solar energy, with the rise and fall of temperature, open or close the greenhouse vent, and clip on the greenhouse pole, no need to punch holes, convenient construction. Easy installation Easily attach to your greenhouse vent or window using the provided screws and clamps or your own fasteners.. Usage Automatic greenhouse ventilation window bracket opener, suitable for greenhouse Windows, walls and amateur vents under high air volume environment. Multi-wire greenhouses, pre-installed roof vents open between 59-77F instead of manual exhaust arms screwed directly into polycarbonate panels, wood or metal frames. Maximum number of open Windows. 45cm18 , depending on adjustment and load. Suitable for greenhouse Windows weighing up to 7 kg. Suitable for most greenhouses.. Package 1 set of automatic greenhouse ventilation opener. If more than 7kg, it is recommended to use two window openers. Do not use this window opener when the temperature exceeds 50122F. Here's our 90-day money-back risk-Free Purchase Guarantee View more product details..

More Reliable and StableCompared with the single spring vent opener, the double vent opener has stronger thrust force, more solid, and much durable. Universal fit for all aluminum frame greenhouse. The double spring window opener can be closed manually.. Auto AdjustmentSolar heat sensitive vent opener, automatic stretch or shrink the vent while the temperature is changing. Auto-opening temperature range is adjustable from 15-2560-77 by turning the cylinder. Clockwise for higher, counter-clockwise for lower. High Weighting and Big OpeningVents weighting up to 7kg15lb. Maximum opening at about 3086depending on adjustment and load.. Lustrous, Durable and Rust-proofElongated aluminum cylinder with paint spraying, weather resistant. Aluminum frame looks more lustrous, durable and rust-proof. Stainless steel accessories would last long time use.. Multi-functionGreat for variety of occasions, home, office, farm, botanical garden, railway and greenhouse..

DURABLE DUAL SPRING DESIGN Compared with the single spring vent, our solar heat sensitive roof vent opener adopts double spring design, which has stronger thrust force and more solid In addition to ordinary areas, it can also be applied in windy mountainous areas, resist wind twist, bringing much convenience to you.. SOLAR POWERED OPERATION Our greenhouse vent automatic opener responds to temperature changes, efficiently regulating your greenhouse's internal climate. As the temperature rises, the gas-filled cylinder expands, gently pushing the window open. Once the temperature cools down, the spring mechanism closes the window smoothly.. DURABLE MATERIAL Black Color powder coating for frame, crafted from aluminum alloy, this window opener guarantees long-lasting performance. Built to withstand outdoor weather conditions, the corrosion resistant materials ensure reliable performance season after season.. PRECISE TEMPERATURE CONTROL Operating between 15C to 25C 60F - 77F, the greenhouse window opener adapts to various weather conditions. Automatic window opener helps maintain an optimal growing environment inside the greenhouse with temperatures that neither get too hot nor too cold.. EASY INSTALLATION Installing the greenhouse vent opener is quick and straightforward with the provided clamps and screws. It fits most greenhouse windows and seamlessly integrates with roof vents for houses, making it a versatile choice for different setups..

1.Black Color powder coating for frame,looks nice and not rust.. 2.Solar energy sourced, cost nothing to operate,environment friendly.. 3.Both clamp and screws included, easy installation.. 4.Thicker and stronger steel material with 2-spring type, suitable for windy mountain area, resist wind twist.. 5.This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating..

Automatic Shutter Louver Vent The outer dimension of AIWFL 18 inch aluminum shutter louver vent measures 20.66 x 20.66 x 1.77, suitable for windows outside, home, garages, workshops and greenhouses. Automatic Gravity Shutter The automatic gravity shutter louver vent is easy to install and maintain. This black shutter louver vent features an automatic gravity shutter design that can automatically opens and closes with airflow, adapting to different ventilation needs. Premium Quality Aluminum Our automatic exhaust shutter louver vent is made of superior quality aluminum that it's strong and sturdy, will not rust or corrode. Heavy Duty Shutters Automatic shutter vent can be fully closed to effectively block rain and dust, heavy duty structure ensures the shutter can withstand harsh weather conditions. Exhaust fan blades and motor are not included. Wide Applications This gravity shutter vent can circulate indoor and outdoor air and can also reduce or increase indoor temperature, great for use in attics, workshops, factories, warehouses, sheds, barns and greenhouses.

1.Thicker and stronger material with 2-spring type, suitable for windy mountain area, resist wind twist.. 2.Aluminium and stainless steel material, No worry corrosion.. 3.Solar energy sourced, no operating cost, environmentaly friendly.. 4.Both Clamp and screw for easy installation.. 5.Pack well for shipment..

DOUBLE SPRING -- Dual Spring Solar Vent Opener with Stronger Force, up to 15lbs. If 1 Set is still not enough for your window, you could use two window openers together.. PREMIUM QUALITY -- The window opener is made of high quality aluminum alloy. Durable and rust resistant in damp environments Long service life.. EASY TO INSTALL-- Easy to fit onto your Greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes. If you have any questions, please don't hesitate to contact with us.. NO ELECTRICITY NEEDED -- Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars.. SUITABLE FOR MOST GREENHOUSES -- This opener will automatically open and shut your greenhouse window to maintain the best growing temperature and preventing your greenhouse from overheating..

Inner Size 380 x 380 mm 15 x 15 inch LW Interface Size 430 x 430 mm 16 x 16 inchL x W, suitable for 16 x 16 inch vent hole and duct opening Size 24 x 25 mm 0.9 x 1 inch DepthHeight Packing Listing 1 x Exhaust Fan Louvered Vent. DURABLE ALUMINUM MATERIAL The Louvered Vent is constructed from top-grade aluminum, ensuring long-lasting durability with resistance to corrosion or rusting. The surface is plastic spraying, smooth and no burrs, looks delicate craftsmanship. RESISTANT TO WEATHER Through meticulous manufacturing, the louvers are designed to completely seal shut, effectively blocking water intrusion. With a sturdy, and precisely engineered build, this shutter is capable of enduring weather conditions. MULTI-USE The shutter louvered vent is designed to open and close automatically using gravity, normally used with flow fan for air exhaust and ventilation. It has good ventilation performance and easily block backdraft and unwanted air, moisture and dust. Widely used in home, kitchen and bathroom, office building, mall, factory, planting greenhouse, garage etc. EAST TO INSTALL 1. Remove the protective grille of the flow fan 2. Embedded the vent cover into the fan outlet 3. Fix the vent cover with screwsnot included.

Suitable for Most BlindsThe opening force is about 25kg55lb, and the closing force is about 15kg33lb. The automatic greenhouse ventilation kit is suitable for most blinds.. Automatic OpeningClosingThe window opener automatically opens and closes as the temperature changes, it does not consume any power, energy-saving and .. Working ConditionIt starts to open when the temperature reaches 17-25C 63-78F, and reaches the maximum opening when the temperature rises to 30-32C 86-90F.. Excellent QualityThe automatic greenhouse vent is made of high-quality aluminum, which is not easy to rust and is durable.. Easy To InstallEasy installation through the provided clips or screws, no battery or electricity is required, simple and convenient..

HIGH QUALITYThe window opener is made of premium aluminum alloy materials. The paint spraying aluminum frame looks more lustrous, durable and rust-proof.. NO ELECTRIC POWER NEEDEDUses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars - no drilling needed quality construction.. APPLICATIONMaximum window opening approximately 45cm18'', depending on adjustment and load. Lifts vent weight up to 15.3 lbs 7 kg ,covers most of greenhouse windows.If it is still not enough for your window,you could use two window openers together.. AUTOMATICThis opener will automatically open and close your greenhouse window as the temperature changes automatically, This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating.. NOTICE Do not apply excessive loads by locking or covering window.The automatic ventilation window opener in the greenhouse cannot be used in an environment with a temperature higher than 50122F.

Versatile Usage for greenhouse , providing efficient ventilation.. Refrigeration Required Prior to use, refrigerate the product for effective functionality.. Solar Powered Operates without electricity, utilizing solar energy for eco-friendly ventilation.. Quality Material Made of durable material, ensuring long-lasting use.. Automatic Temperature Control Adjusts as temperature changes to maintain ideal greenhouse conditions..

QUICK RESPONSE The solar vent opener can automatically respond to changes in the external weather, no matter how the weather changes, automatic vent system can promptly adjust the ventilation conditions of the greenhouse, reducing the need for manual monitoring and regulation . SOLAR-POWERED The greenhouse temperature control adopts a non-electric design and uses solar energy as the power source, as the temperature rises or drops, the solar powered vent can automatically open or close the ventilation opening of the greenhouse . SUITABLE FOR MOST GREENHOUSES The vent opener mechanism is suitable for small household greenhouses and large commercial greenhouses, and solar actuated vent can be easily integrated into existing greenhouse systems without the need for complex renovations or adjustments. ADJUST THE AIR VENT The greenhouse air vent automated management approach also reduces the possibility of human error, greenhouse vent system enhances the accuracy and reliability of greenhouse environmental control, and automatic vent controller is makes horticultural work easier. SUITABLE TEMPERATURE The temperature responsive vent keep the temperature in the greenhouse within an appropriate range to automatic vent regulator create a stable and comfortable growth environment for plants, this solar window opener increasing their growth rate and yield.

SUITABLE FOR --- The Greenhouse Window Opener Bar is suitable for most greenhouse windows roof vents. The window support kit can maintain the optimal growth temperature and prevent your greenhouse from overheating.. Sturdy And Durable --- Manual Window Opener Bar uses high-quality aluminum, sturdy and durable, and high-quality structure-reliable and high-quality anodized aluminum automatic window opener for greenhouses.. Fine Workmanship --- Roof Vent Opener has rounded edges to avoid hand injury, fine workmanship, and smooth surface. It is an excellent choice for you. The opener rod has high value and quality.. Practical Tools --- This is a kit, including 1 window rod, 2 pins and 6 A2 stainless steel nuts. It is easy to assemble and use. It is a set of practical tools necessary for your greenhouse.. Replaed Bolts --- The bolts are the correct length which will allow direct replacement as many roof vents are bolted under the glass..

WIDE TEMPERATURE RANGE Greenhouse vent opener operates between 17-25 63-78 and fully opens at 30-32 86-90. The temperature control induction is sensitive and accurate, which is suitable for daily ventilation and constant temperature protection use scenarios.. WINDPROOF AND STABLE Solar heat sensitive roof vent opener with spring and support rod dual structure blessing, can provide reliable support protection for windows, solar window opener effectively resist strong wind impact, avoid shaking, displacement and wind damage of shutters.. PREMIUM MATERIAL Greenhouse window opener is made of aluminum alloy material, which is not easy to age and deform even after long-term outdoor sun and rain. Automatic window opener has a stable and strong structure, which can meet the needs of long-term daily use.. EASY TO INSTALL Louver opener tool works on mechanical principle without battery and external power. Automatic louver window opener is equipped with a complete set of installation accessories and instructions, which can be clamped or screwed to complete the installation quickly.. WIDE APPLICATION Greenhouse louver vent opener is designed with strong versatility, suitable for various styles of blinds on the market, and is not limited by installation scenarios. The overall structure is simple and versatile, and both home and outdoor windows can be matched and installed..

AUTOMATIC for temperature CONTROL Expands to open greenhouse vents when for temperature rises and contracts to close as it cools, maintaining perfect growing conditions for your plants without any manual adjustments needed. SOLAR-POWERED SOLUTION Operates without batteries or electricity using natural heat energy, helping you reduce carbon footprint while saving on energy costs for sustainable gardening. QUICK AND EASY INSTALLATION User-friendly single-cylinder design mounts directly onto existing greenhouse frames in minutes, allowing immediate use without complicated tools or for professional assistance. LONG LASTING for weather-resistant BUILD Constructed with for premium metal materials to withstand harsh outdoor conditions, providing reliable performance season after season for years of worry-free operation. VERSATILE GREENHOUSE COMPATIBILITY Works perfectly with various greenhouse types and sizes, making it an excellent choice for both hobby gardeners and for professional growers seeking automated ventilation control.

Automated Temperature Control This Vent Cylinder is a must-have for greenhouse owners looking to maintain the optimal growing temperature without the need for manual adjustments. It automatically responds to temperature changes, opening or closing greenhouse vents to ensure a growing environment and prevent overheating. Enjoy the convenience of hands- temperature regulation with this solar-powered cylinder.. Energy-Efficient Solar Technology Harnessing the power of solar energy, this Vent Cylinder operates without the need for electricity. By utilizing solar energy, it intelligently regulates airflow based on temperature fluctuations, providing a sustainable and solution for maintaining ideal greenhouse conditions. Say goodbye to high energy bills and enjoy the of cost-effective and energy-efficient ventilation management.. and Construction Crafted from high-quality materials, this Vent Cylinder is built to last. Its construction ensures long-term performance and reliability, allowing you to depend on it for consistent . Trust in the quality and durability of this cylinder to effectively manage your greenhouse ventilation needs for long time.. Easy Installation and Designed for convenience, this Vent Cylinder is easy to install and use. Simply replace your existing greenhouse vent opener with this cylinder and let it automatically adjust ventilation based on temperature changes. With its user-friendly design, you can quickly set it up and enjoy hassle-less temperature control in your greenhouse.. Temperature Range With a temperature range of 15-25C 60-77F, this Vent Cylinder ensures temperature control for your greenhouse. Maintain the ideal growing conditions by allowing this cylinder to regulate airflow within the specified temperature range. Achieve optimal plant growth and cultivation success with this and effective greenhouse ventilation solution..

Nonelectric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.. This products need to be refrigerated before use it.. Perfect for your greenhouse window.. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.. Made of quality material, and convenient to use..

Automatic Ventilation --- It provides automatic opening and closing of greenhouse window, ensuring convenient ventilation. This feature maintains the optimal growing temperature for plants and prevents overheating.. Sunlight Powered Mechanism --- Operates using sunlight, requiring no electricity or batteries. By relying on solar power to open or close the greenhouse vents as temperatures change, it offers an energy conscious solution for maintaining an ideal growing environment.. Aluminum Alloy Construction --- Crafted from aluminum alloy, this window opener is both strong and dependable, providing long term use. It's a good solution that withstands daily use.. Simple Installation Process --- The automatic vent opener set includes easy to use clamps and screws for installation, allowing you to set it up with minimal effort and less time.. Opening Capacity --- Capable of supporting up to 7kg15lb and opening window to a maximum of 45cm18 inches, this vent opener allows ample airflow into your greenhouse. This ensures your plants receive adequate ventilation..

Comprehensive Kit This greenhouse window support includes a window opening bar, two pegs, and six A2 stainless steel nuts, providing you with a complete solution for your greenhouse windows and roof vents.. Temperature Control Manual window opener bar allows you opens or closes the roof or window based on changing greenhouse temperatures to prevent extreme high or low temperatures This allows your plants to thrive in the most conducive environment.. Premium Aluminum Material Crafted with high-class aluminum material, this greenhouse window stay kit ensures durability and sturdiness. The manual greenhouse window opener bar features rounded edges, providing a comfortable grip while protecting your hands from potential injuries.. Direct Replacement Enjoy the convenience of direct replacement, as the bolts are the correct length for easy installation. This feature makes it a breeze to replace existing window opening mechanisms, especially since many roof vents are bolted under the glass.. Universal Fit Designed to fit the vast majority of greenhouse windows and roof vents, this roof vent opener bar easy installation.The window support kit can maintain the optimal growth temperature and prevent your greenhouse from overheating..

ROBUST CONSTRUCTION Built with materials for reliable performance and longevity.. EFFICIENT TEMPERATURE MANAGEMENT Automatically regulates greenhouse vents based on temperature fluctuations.. SIMPLE SETUP Easy installation process for quick and convenient use in your greenhouse.. ECO-FRIENDLY Solar powered for energy efficiency and sustainability.. PROTECTS AGAINST OVERHEATING Prevents overheating by maintaining optimal ventilation levels..

High quality Made of quality material, and convenient to use.. Great function As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.. Solar energy Non-electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.. Note This products need to be refrigerated before use it.. Easy to use for your greenhouse window..

Sensitive Temperature-Controlled Automation Experience no worrygardening with our highly sensitive automatic greenhouse vent opener cylinder. It intelligently senses weather changes, automatically expanding or contracting to open and close windows as temperatures fluctuate between 68-77F. No need to stay near your greenhouse let the system handle the ventilation while you focus on other tasks. Solar Heat Sensitive Non electric, our greenhouse automatic vent opener and automatic window opener solar powered and solar powered window opener use solar energy. The greenhouse vent automatic opener automatically adjusted temperature is 68-77 20-25 . When the temperature exceeds 25 degrees, the solar window vent opener will remain open. Universal Fit Easy ReplacementThis 13-18 inch adjustable replacement cylinder is designed for quick and easy maintenance. It is compatible with most standard automatic window opener frames and can handle windows weighing up to 31 lbs 14 kg. With a maximum opening distance of 18 inches, it serves as a good greenhouse window replacement part to keep your structure functioning. Optimized Plant Growth Environment Ensure your plants thrive by maintaining the good climate. By providing consistent airflow, this automatic window opener prevents overheating during peak sun hours and retains warmth at night. This precise climate control creates a better growth condition, protecting your delicate seedlings and flowers from heat stress. Heavy-Duty Construction Long Durability Crafted from high-quality, ABS material, this heavy duty greenhouse cylinder is built for long-lasting outdoor use. The robust design ensures it can withstand frequent movement and various weather conditions, saving you time and labor on manual adjustments while offering a reliable automatic vent closer for years to come.

Wide Temperature Range The automatic window opener in temperatures ranging from 20C to 25C 68F - 77Fgreenhouse vent is adaptable to all weather conditions. greenhouse supplies high sensitive, automatic respond to weather changes, so you don't need to stay near the greenhouse. No Batteries Required Cylinder vent opener non-electric, utilizes solar energy to open or close the greenhouse vents when the temperature rises or falls, and when the temperature rises, a greenhouse greenhouse winder opener cylinder expands and gently pushes the window open. Once the temperature drops, a greenhouse window opener ,automatic greenhouse vent openers automatic smoothly closes the window. Reliable Helper This solar heater for greenhouse parts of the greenhouse winder is made from high quality materials to ensure long lasting performance. Auto vent opener can withstand the demands of the greenhouse environment, ensuring that the greenhouse door opens and closes on a regular basis to promote plant growth greenhouse roof vents parts provide more convenience for your grad. Window Opener Replacement Pieces Only provides greenhouse opener for your convenience to replace the old greenhouse window solar greenhouse parts,greenhouse winder opener is not included auto vent kit sensitive gardening tools window opener, Time and labor saving, also can supply a better temperature condition of plant's growth. Easy Installation and Compatibility Designed for common greenhouse vent openers, this automatic vent opener for greenhouse is easy to replace, easily replacing damaged or deteriorated parts and restoring the original performance of the greenhouse automatic window lifting.Solar heat sensitive agriculture gardening tools, Non electric, Auto hothouse window opener uses solar energy, open or close the greenhouse vents as temperature rises or drops.

Effortless Replacement This cylinder serves as a direct replacement for automatic window openers, ensuring a hassle-free setup for your greenhouse.. Weather Responsive Designed with high sensitivity, it automatically responds to temperature changes, allowing you to enjoy the without needing to monitor your greenhouse constantly.. Easy to Use Powered by solar energy, this non-electric opener efficiently opens or closes greenhouse vents as the temperature fluctuates, providing a sustainable solution for plant care.. Universal Fit Ideal for most greenhouses, this automatic window opener enhances ventilation, saving time and labor while creating optimal growing conditions.. Convenient Temperature Control Helps maintain the good environment for plant growth, ensuring your plants thrive without requiring manual intervention..

Cylinder roof opener--very sturdy for frame, looks nice and not rust can better promote growth,greenhouse window cylinder. Smart greenhouse opener--it can supply a good temperature condition for plant's growth practical to use,roof window pole opener. Window opener electric--automatic window opening, intelligent control, suitable for all kinds of greenhouse greenhouses, convenient and practical,window opener for garden. Window support opener--perfect for your greenhouse window--opens and your greenhouse window,greenhouse winder opener. Greenhouse window openers--time and labor saving, also can supply a better temperature condition of plant's growth,metal roof opener.

PROFESSIONAL KIT COMPONENTS Includes 1 heavy-duty aluminum opener bar, 2 corrosion-resistant pegs, and 6 A2 stainless steel nuts.Greenhouse vent opener Designed for reliable assembly and installation, all parts are precision-engineered to ensure long-lasting performance and seamless integration with standard greenhouse window systems.. UNIVERSAL FIT FOR GREENHOUSE VENTS Engineered to fit most greenhouse roof vents and manual window configurations, this window opener bar accommodates various glass thicknesses and ventilation setups. Its adaptable design reduces reliance on brand-specific parts, offering a cost-effective solution for gardeners and growers.. STURDY ALUMINUM CONSTRUCTION Constructed from commercial-grade aluminum alloy, the window opener tool combines exceptional strength with lightweight durability. Resistant to rust, warping, and weather exposure, it maintains structural integrity even under frequent use or extreme outdoor conditions.. PRECISELY ENGINEERED BOLTS Bolts are pre-measured to standard roof vent dimensions, eliminating the need for trimming or customization. Their secure under-glass mounting system provides a clean, reinforced attachment point, ideal for ventilation systems prone to loosening over time.. SAFETY-DESIGNED ROUND EDGES The smooth, rounded-edge finish wisecoco minimizes risks of hand injuries during handling or adjustment. The ergonomic design ensures comfortable gripping and hassle-free operation, even when installing in tight or elevated spaces like greenhouse roofs..

Opens automatically when temperature rises. Installs quickly and easily. Simple, oil-filled cylinder, no power needed. Replaces manual vent arm.

APPLICATION This greenhouse window opener accessory, replacement cylinder only, is for your greenhouse . If your greenhouse have stopped opening automatically, it means the cylinder on your automatic greenhouse vent auto opener needs to be replaced.. TEMPERATURE CONTROL DEVICE The window opener cylinder has an automatic temperature change function to maintain optimal growing temperature and prevent greenhouse overheating. The greenhouse automatic window opener temperature sensor range is 16C-26C 60F-78F, which helps maintain optimal growing conditions in your growing environment.. MATERIAL The window opener cylinder is made of material, and easy to use, the greenhouse automatic window opener cylinder is suitable for single or double spring window opener. It is also a suitable replacement for most greenhouse shutter openers.. AUTOMATIC TEMPERATURE SENSING The window opener cylinder is non-electric and uses solar energy to open or close the greenhouse vents as the temperature rises or falls.. PRECAUTIONS FOR USE Do not use this opener where the temperature exceeds 50122F, do not disassemble this cylinder, this product needs to be refrigerated before use, the calibration of the monitor varies and the color of the item shown in the photo may be slightly different from the actual item. Please refer to the actual item as the standard..

Automatic Temperature Control Our solar-powered greenhouse window opener opens and closes vents according to the temperature, ensuring optimal growing conditions without any manual intervention.. Energy-Efficient and Eco-Friendly With no batteries or electricity required, this automatic greenhouse vent opener is a smart, sustainable choice that helps reduce your carbon footprint and save on energy costs.. Durable and Rust-Proof Featuring an aluminum spray-painted cylinder, the solar window opener is built to last and withstand harsh weather conditions. Its shiny finish adds a touch of elegance to your greenhouse.. Wide Vent Angle and Maximum Opening This automatic greenhouse vent opener opens vents at an angle of about 30, allowing for optimal air circulation. With a maximum opening of 18 inches, it provides ample ventilation for your plants.. Easy to Install The greenhouse window opener comes with a comprehensive installation kit and a detailed manual, making it easy to install even for beginners. Get the most out of your greenhouse with our reliable and convenient automatic vent opener..

Solar vent openerthe perfect workmanship will give you an excellent use experience,vent opener. Agriculture gardening toolplease make sure your greenhouse window can be opened freely,greenhouse kit. Greenhouse window open toolautomatically open greenhouse windows as temperature changes,Greenhouse Supply. Greenhouse kits for outdoorsthe automatic vent opener is suitable for most current garden greenhouses,greenhouse opener. Auto roof vent openermade of stainless steel, and workmanship makes it has ,automatic opening closing louver.

Automatic temperature regulation Cylinder expands and contracts between 15 to 25C to open or close vents, providing continuous passive ventilation to reduce overheating and stabilize internal greenhouse temperature. Non electric operation Solar assisted thermal mechanism activates without wiring or batteries, so vents open and close automatically as ambient temperature rises or falls. Durable construction and simple installation Made from materials with compact 107 g design, mounts to standard greenhouse window frames using included fittings for reliable long term use. Wide compatibility Designed for roof and side vents and compatible with common manual window winder systems, suitable for a variety of greenhouse styles and sizes when measurements match. Storage and handling requirements Product requires refrigeration before use as supplied, must not be used where temperature exceeds 50C 122F, and must not be disassembled.

High-Quality Aluminum Material Crafted from premium aluminum, this window opener is built to withstand the elements, offering exceptional durability and resistance to rust. Its robust construction ensures long-lasting performance, making it an ideal investment for maintaining smooth operation over time. Experience peace of mind knowing that your window opener will remain in excellent condition, delivering reliable service year after year.. Wind Damage Protection Equipped with a sturdy spring and support bar, this window opener provides enhanced protection against wind damage. The design ensures that your windows are secured during gusty weather, minimizing the risk of breakage or malfunction. This added security feature ensures that your home or greenhouse remains safe, maintaining optimal ventilation without compromising structural integrity.. Automatic Temperature Response Enjoy the convenience of automatic temperature regulation with this window opener, which intelligently opens and closes as temperatures fluctuate. This feature promotes ideal indoor conditions, optimizing air circulation and preventing overheating, especially in greenhouses. It provides effortless climate control, enhancing comfort and plant health with minimal effort on your part.. Universal and User-Friendly Design Designed for versatility, this window opener is easily installed on any blind window, offering a universal solution that adapts to various window types. Its user-friendly construction makes installation straightforward and hassle-free, providing immediate use. Whether for residential or commercial applications, this opener ensures ease of use and convenience for all users.. Effortless Installation Featuring quick installation with clamps or screws provided, this window opener requires no batteries or electricity, simplifying setup and reducing maintenance needs. Its energy-free operation ensures eco-friendly performance, contributing to sustainability while delivering reliable functionality. Enjoy the simplicity and efficiency of this intuitive design, perfect for both novice and experienced users..

Temperature Control Window opener doesn't require electricity or collect solar energy. Greenhouse vent uses the principle of thermal expansion and contraction. The built in cylinder of the opener adjusts according to the change of temperature. Window Opener Parameters Size about 33 x 1.5 cm 12.99 x 0.59 inches, temperature range 20-25 68-77, adjustable length about 33-45 cm 13-18 inches, suitable for windows under 14 kg. Metal Material Automatic window opener bottom is ABS material, and the telescopic part is made of aluminum alloy and stainless steel. Greenhouse vent has the characteristics of high hardness and not easy to deform, and can withstand windows below 14kg. Easy to Use Automatic greenhouse vent opener is easy to install and is the same as the previous matching parts. The cylinder needs to be refrigerated for half an hour before use. Please use the opener cylinder below 50. Window Opener Only Only greenhouse automatic vent opener is provided in the package to facilitate replacement of old greenhouse window opener automatic cylinder, window opener or installation instructions are not included.

Solar Heat Sensitive Non electric, our greenhouse automatic vent opener and automatic window opener solar powered and solar powered window opener use solar energy. The automatically adjusted temperature is 68-77 20-25 . When the temperature exceeds 25 degrees, the solar window vent opener will remain open. Time and Energy Efficient With our automatic vent cylinder for greenhouse and solar window opener for home and greenhouse vent window replacement, you will no longer have to worry about your plants freezing or overheating. The smart solar window opener prevents you from the manual effort of opening or closing the windows or roof, saving your invaluable time and energy to invest more in your plants' care. Reliable ABS Material Designed to withstand various weather conditions, our greenhouse window opener automatic and automatic window opener for greenhouse and solar powered automatic vent opener provide consistent and reliable operation. The solar window opener for greenhouse ensure the proper ventilation and climate control required for healthy plant growth. Individually Adaptable The solar powered ventilation opener and solar automatic window opener kit can be installed quickly and easily for the windows of common garden and greenhouses. You can steplessly adjust the opening angle by turning the window indoor opener cylinder and thus achieve the right ventilation for your bed. Versatile Uses The adjustable thread design of solar sensitive greenhouse window cylinder and cylinder for greenhouse window auto vent is compatible with most openers, including single spring openers, double spring openers, and painted black iron openers. Our solar automatic window vent is a practical and useful tool that can be widely applied for greenhouse windows and ventilation ports in heavy wind conditions.

A high-airflow shutter fan designed to remove stale air and ventilate greenhouses, garages, and more.. Features a 10-level fan speed controller that utilizes PWM technology to generate precise airflow.. Innovative EC motor with PWM control maximizes airflow while reducing energy consumption and noise level.. IP44-rated frame features steel shutters and fan blades that block debris while resisting moisture and dust.. Fan Size 10 Dimensions 13.0 x 13.0 x 7.79 in. Airflow 631 CFM Noise 67 dBA Bearings Dual Ball.

DURABLE MATERIALS-Made of high quality of galvanized steel.Durable and strong for long time use.. PERFECT FOR GREENHOUSE WINDOW-This vent opener will automatically open and close your greenhouse window while the environment temperature changes , which will help you maintain the best growing temperature and prevents your greenhouse from overheating.. SOLAR POWEREDECONOMIC-Use solar energy only,no batteries or electricity required..Economic and Eco-friendly.. HIGH LIFT CAPABILITY-Lifts vent weight up to 15.4 lbs 7 kg ,covers most of greenhouse windows.If it is still not enough for your window,you could use two window openers together.. EASY INSTALLATION- Fit for most of aluminumwooden frame greenhouse. Comes with a fitting accessory pack and a detailed manual for easy installation..

, easy to install and use, suitable for any blind window, easy to use.. PREMIUM Made of a um l, not easy to and in use.. Made of a um l, not easy to and in use.. PREMIUM Made of a um l, not easy to and in use.. Made of a um l, not easy to and in use..

Overheating Protection --- When temperature 2577F, the window opener will keep opening.Fully open temperature at 30 86F or once temperature drop to about 1559F, the window opener will totaly close.. No Electric Power Needed --- The spring greenhouse window opener does not require batteries or electricity, as the indoor temperature and air pressure rise or fall, it automatically opens or closes the greenhouse's vents, which maintains the optimal temperature for plant growth.. Premium Material --- Greenhouse winder opener is made of Premium of aluminum and stainless steel. and convenient to use.easy to install,Screw directly into polycarbonate panels, wood, or metal frames.. Application --- Maximum window opening approximately 45cm18'', depending on adjustment and load. Window roof vent opener Suitable for greenhouse window up to 7kg if more than 7kg, we recommend you to use two window opener.. Strong Force --- Do not apply excessive loads by locking or covering window.The automatic ventilation window opener in the greenhouse cannot be used in an environment with a temperature higher than 50.It is suitable for your greenhouse window, wall and hobby vents in higher wind situations..

HIGH QUALITYDURABLE-Made of high quality of galvanized steel.Durable and strong for long time use.. COMPLETE AUTOMATIC-This vent opener will automatically open and close your greenhouse window while the environment temperature changes , which will help you maintain the best growing temperature and prevents your greenhouse from overheating.. NON ELECTRIC-Use solar energy only,no batteries or electricity required.Economic and Eco-friendly.. TWO SPRINGSHIGH LIFT CAPABILITY-Lifts vent weight up to 33 lbs 15 kg ,covers most of greenhouse windows.If you it is still not enough for your window,you could use two window openers together.. EASY TO INSTALL- Fit for most of aluminumwooden frame greenhouse. Comes with a fitting accessory pack and a detailed manual for easy installation..

HIGH QUALITY MATERIALS-Made of high quality of aluminum and stainless steel.Durable and no rust.. NO ELECTRIC POWER NEEDEDAUTOMATIC-Solar powered , automatically open or close the greenhouse vents as temperature rises or drops.. DOUBLE SPRING-Double spring type, suitable for windy mountain area, resist wind twist.Stronger Force,lifts up to 15.4 Lbs7kg.. EASY INSTALLATION-Comes with a fitting accessory pack and a detailed manual for easy installation.. OVERHEATING PROTECTION-This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating..

Aluminum and Stainless steel material for durability.. Two springs are more strong and better withstand Wind.. Great trouble free dual spring design.. Easy to fit onto your Greenhouse vent or window using supplied screws and clamps or your own fasteners into pre-punched holes.. Best for awning style windows.Uses Solar energy only, no power required..

HIGH QUALITY MATERIALS-Made of high quality of aluminum and stainless steel.Durable and no rust.. NO ELECTRIC POWER NEEDEDAUTOMATIC-Solar powered , automatically open or close the greenhouse vents as temperature rises or drops.. STRONG FORCE-Lifts up to 15.4 Lbs7kg,suitable for most of greenhouse.. EASY INSTALLATION-Comes with a fitting accessory pack and a detailed manual for easy installation.. OVERHEATING PROTECTION-This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating..

Automatic Temperature Control When your greenhouse overheats, plants wilt and die. Our automatic greenhouse window opener can automatically open or close the window according to indoor temperature changes, ensuring an ideal growth environment. No need for constant monitoring, it adjusts as needed, keeping your plants healthy in both summer and winter.. Ideal Plant Growth Inconsistent temperatures can stunt plant growth. This auto opening and closing function maintains a stable environment, promoting healthy plant development. Whether you're growing tomatoes in summer or herbs in winter, our automatic vent opener ensures the perfect conditions for your garden.. Energy Efficiency Worried about high energy costs Our heat-sensitive opener requires no electricity and harnesses solar energy, making it eco-friendly and cost-effective. It works efficiently in all weather, saving you money on utility bills while keeping your greenhouse at the right temperature.. Durable Construction Made of ABS and stainless steel, this opener is built to withstand harsh weather. The double spring structure provides more stable and flexible support, ensuring it lasts through seasons of use. Ideal for both DIY enthusiasts and professional gardeners, it's a reliable tool for any greenhouse.. Simple Installation Struggling with complex setups Our auto vent opener can be easily installed on the greenhouse window using a clip or screw. Quick and straightforward, its a hassle-free solution that gets you back to gardening in no time..

Premium Quality Materials Our auto vent opener automatic greenhouse window opener is made from durable steel with powder coating,and aluminum alloy, ensuring extended service life and superior resistance to wind, moisture, and rain damage.. Perfect Load-Bearing Capacity Greenhouse vent automatic opener solar heat sensitive auto vent opener is designed to support up to 15 lbs7 kg, this greenhouse vent automatic opener achieves a maximum opening angle of 90 degrees and a lift height of 18 inches45 cm, delivering optimal ventilation to enhance plant growth.. Solar Powered Temperature Activation Greenhouse automatic vent opener operates entirely on solar energyno external power or batteries required. The window begins to open at 77F25C, fully extends at 86F30C, and automatically closes when temperatures drop below 59F15C, ensuring precise climate control.. Effortless Installation Greenhouse automatic roof vent opener features a compact 13.4-inch34 cm long temperature-sensing cylinder. Simply secure the cylinder, adjust its position well, and mount on a sun-exposed area of your greenhouse frame using clamps or screws.. Versatile Applications Automatic greenhouse vent opener automatically adjusts ventilation based on sunlight intensity because of indoor high temperature, greenhouse vent opener is ideal for cooling greenhouses in summer and boosting growth efficiency for flowers, organic vegetables, berries, potted plants, and more. Perfect for home gardening, remote farms, smart agriculture zones, sustainable energy projects, industrial greenhouses, farm ventilation, and educational institutions and so on..

Product materialGreenhouse window opener set is made of high quality aluminum alloy, with good durability and stability, window opener size about 31.5cm 12.4in, cylinder size about 34cm 13.4in, weight about 570g 20.1oz. Product specificationsAutomatic window opener load weight 14kg 31lb, opening force 7kg 15lb, closing force 0.5kg 1lb, product operating temperature 17-25C, maximum opening temperature 30C, maximum opening distance about 45cm 17.7 inches. Applicable toGreenhouse window opener kit when the temperature changes, can automatically open and close to prevent greenhouse overheating, suitable for greenhouse garden, etc., to maintain the best growing temperature in the greenhouse, to provide a suitable growing environment. Easy to installAutomatic greenhouse window opener with spring and support bar, can be directly clamped or screwed on the greenhouse frame, easy to install and use, is a good ventilation tool agricultural supplies. Purchase notePlease pay attention to the product specifications before purchasing to avoid purchasing the wrong product.

MAIN FUNCTION The sensitive greenhouse window opener is an automatic accessory with high sensitivity that can automatically respond to weather changes, so you don't need to stay near the greenhouse. The temperature range is 20-25 68-77 , and the maximum opening distance is about 45 centimeters18 inches. SOLAR ENERGY The automatic opener temperature control is not an electric accessory and does not require batteries or USB charging. It uses solar energy for power supply and opens or closes greenhouse vents as the temperature rises or falls. LABOR SAVING The use of the solar sensitive automatic roof vent opener can greatly save time and labor. Even without adjusting the windows, it can provide better temperature conditions for plant growth and also has higher efficiency. WIDE APPLICATION The window opener cylinder is very suitable for most greenhouses to automatically open or close windows. Any window weighing less than 14 kilograms can be used. After confirming the weight of the window, you can purchase and use it. MATERIAL The automatic vent opener is made of ABS material, which is strong and sturdy, not easy to be damaged, good materials can reduce the cost of your frequent replacement and maintenance accessories.

Good Materials The hothouse vent openers are made of good materials, the greenhouse vent automatic opener installation process is simple and intuitive, and auto roof vent opener only a few screws or buckles are needed to fix it on the greenhouse window. Automatic Constant Temperature Automatic roof vent opener automatically changing with temperature to maintain optimal growth temperature, auto vent opener allowing hot air to be expelled from the window while introducing cooler external air. Solar Non Electric Solar greenhouse vent opener non electric, window opener for greenhouse using solar energy to open or close greenhouse vents when temperature rises or falls, versatile window opener for greenhouse no need for electric drive at all. Greenhouse Window Dedicated The greenhouse window automatic vent opener is very suitable for your greenhouse windows, such as aluminum frame greenhouses, wooden frame greenhouses, and plastic film greenhouses. Greenhouse automatic temperature-controlled window opener can adapt well to all of them. Adjustable from 15 to 25 Degrees The automatic window opener with screw can automatically adjust between 15 and 25 , suitable for the growth of cold season vegetables such as spinach, lettuce, peas, tomatoes, peppers, cucumbers, eggplants, etc.

Usage This product is only a replacement cylinder for automatic greenhouse window openers.. Compatibility This automatic greenhouse replacement cylinder is compatible with most openers, including single spring openers, double spring openers, etc.. Parameters The minimum opening temperature is about 15-25 C59-77 F, and the full opening temperature is about 30 C86 F. The same applies to retraction, with a maximum load of about 15 pounds.. Material It is made of high-quality materials such as aluminum, stainless steel, and iron, which are durable, easy to use, and do not consume any electricity, making it a practical choice.. Important note The cylinder cannot operate anywhere with a temperature exceeding 50 C 122 F..

Usage This product is only a replacement cylinder for automatic greenhouse window openers.. Compatibility This automatic greenhouse replacement cylinder is compatible with most openers, including single spring openers, double spring openers, etc.. Parameters The minimum opening temperature is about 15-25 C59-77 F, and the full opening temperature is about 30 C86 F. The same applies to retraction, with a maximum load of about 15 pounds.. Material It is made of high-quality materials such as aluminum, stainless steel, and iron, which are durable, easy to use, and do not consume any electricity, making it a practical choice.. Important note The cylinder cannot operate anywhere with a temperature exceeding 50 C 122 F..

Easy Setup with Video Step by step video guide, easy calibration, includes 2 long screws for metal frames. Dual Spring 15 lbs Thrust Powerful dual spring design, effortlessly opens and closes heavy vents windows. High Strength Aluminum Alloy Made of strong aluminum alloy, superior durability for stable, long term use. Solar Powered Automatic No electricity needed, heat activated, prevents overheating freezing automatically. Universal Fit for Greenhouses Fits most greenhouse types, auto regulates temperature, your smart gardening helper.

Easy Setup with Video Step by step video guide, easy calibration, includes 2 long screws for metal frames. Dual Spring 15 lbs Thrust Powerful dual spring design, effortlessly opens and closes heavy vents windows. High Strength Aluminum Alloy Made of strong aluminum alloy, superior durability for stable, long term use. Solar Powered Automatic No electricity needed, heat activated, prevents overheating freezing automatically. Universal Fit for Greenhouses Fits most greenhouse types, auto regulates temperature, your smart gardening helper.

Easy Setup with Video Step by step video guide, easy calibration, includes 2 long screws for metal frames. Maximum Thrust of 15 Pounds Powerful spring and cylinder design, easy to open and close heavy-duty ventilation windows. Durable and Rust Resistant Sturdy metal with corrosion-resistant paint ensures long-term durability and reliable use. Solar Powered Automatic No electricity needed, heat activated, prevents overheating freezing automatically. Universal Fit for Greenhouses Fits most greenhouse types, auto regulates temperature, your smart gardening helper.

Easy Setup with Video Step by step video guide, easy calibration, includes 2 long screws for metal frames. Maximum Thrust of 15 Pounds Powerful spring and cylinder design, easy to open and close heavy-duty ventilation windows. Durable and Rust Resistant Sturdy metal with corrosion-resistant paint ensures long-term durability and reliable use. Solar Powered Automatic No electricity needed, heat activated, prevents overheating freezing automatically. Universal Fit for Greenhouses Fits most greenhouse types, auto regulates temperature, your smart gardening helper.

Easy Setup with Video Step by step video guide, easy calibration, includes 2 long screws for metal frames. Maximum Thrust of 15 Pounds Powerful spring and cylinder design, easy to open and close heavy-duty ventilation windows. High Strength Aluminum Alloy Made of strong aluminum alloy, superior durability for stable, long term use. Solar Powered Automatic No electricity needed, heat activated, prevents overheating freezing automatically. Universal Fit for Greenhouses Fits most greenhouse types, auto regulates temperature, your smart gardening helper.

This listing is a replacement CYLINDER only, for the full set of auto vent opener you can find it in my shop.. Window opener is also suitable for Orbesen, Gardman B Q vents. Non-electrical use of solar energy, open or close the greenhouse openings as the temperature rises or falls. Important Note Window opener will not work if these openers are used anywhere exceeding the temperature 50 122F.. If you find a product that does not shrink when it is cold or hot, it may be that the product has reached its maximum length during high temperature transport. You only need to put the product in the refrigerator and remove it after a while , The stainless steel part is pressed to the end and can be used..

Solar Vent Opener can lift up to 15 lbs. Starts opening between 55 - 75F, depending on how you have adjusted the vent.. Screw directly into polycarbonate panels, wood, or metal frames..

Automatic DesignThe automatic window opener opens and closes your greenhouse window as the temperature changes automatically, maintaining the best growing temperature and prevents your greenhouse from overheating.. Solar EnergyUsing the solar energy, instead of electric, open or close the greenhouse vents as temperature rises or drops. Save your energy and time, and no need for human operation.. CO2 FriendlyThe window opener will be very environmental and CO2-friendly throughout its whole lifetime because there is no need of electricity in your greenhouse.. Easy InstallationThe window could be clamped onto or screwed onto your greenhouse frame. Please ensure your greenhouse window can be opened freely by at least 45cm 18. Do not apply excessive loads by locking or covering window.. Hydraulic Cylinder with WaxOur core technology is the hydraulic cylinder that contains a plant-based wax, works as the greenhouse window openers thermostat, thus there is no need for electrical power supply. So that our renowned hydraulic cylinders replaces the small range of window openers..

AUTO WINDOW OPENER--As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.. DOUBLE SPRING--Double spring mechanism protects against wind gusts. The Automatic vent opener is appropriated for most of the current garden greenhouses.. PREMIUM QUALITY--The window opener is made of high quality aluminum alloy. Durable and rust resistant in damp environments Long service life.. EASY TO INSTALL-- We have attached an Installation manual, and there is video in listing for your reference. There is two ways to install 1. Clamps to greenhouse bars, no drilling needed. 2. Screw directly into polycarbonate panels, wood, or metal frames.. MAXIMUM OPENING--Approx. 30. Maximum window opening 45 cm. lift up to 15lbs. If you have any questions, please don't hesitate to contact us..

KOXXUD Double Spring Greenhouse Window Opener improves the low bearing capacity of the single-spring window opener and optimizes the problem of rust-prone black iron spray paint window opener, which adapts high-quality aluminum alloy material, the thrust is larger and more durable.. VERY ECO-FRIENDLYDouble spring greenhouse window opener does not require batteries or electricity, as the indoor temperature and air pressure rise or fall, it automatically opens or closes the greenhouse's vents, which maintains the optimal temperature for plant growth.. EASY INSTALLATIONEasy installation and storage of double spring greenhouse window opener via the video linked of our products or installation manual.. DOUBLE SPRING DESIGNAccording to previous customer feedback, we upgraded the old single spring to double spring, and the maximum bearing force has been increased from 7kgs15lbs to 15kgs33lbs, so that the window opener can not only be used in lightweight aluminum alloy windows, but also used on wooden windows.. NOTEMinimum opening temperature 15-25 Fully open temperature 3086 Maximum opening distance 45cm 18'' Maximum load 7-15kgs15-33lbs If there is any problem, please contact us, we are always at your service..