Greenhouse Window Opener, Automatic Vent Opener with Solar Heat Sensitive Sensor, Aluminum Double Spring Ventilation Opener for Greenhouse Roof Vents up to 15 lbs

Item Type: Vent OpenerMaterial: AluminumWindow Bracket Product Size: Approx. 33.5 x 4.5 cm / 13.2 x 1.8 inTemperature Sensing Cylinder Product Size: Approx. 34cm / 13.4inWeight: Approx. 436g / 15.4ozStart Opening: 25°C (77°F)Start Closing: 15°C (60°F)Open Temperature: 30°C / 86°FMaximum Opening Distance: Approx. 45cm/18inFits Weight: Window or vent up to 7kg/15lbsApplicable: Suitable for any and most greenhousesPackage List：1 x Cylinder1 x Window Opener Bracket1 x English Manual8 x Screw4 x Accessories

• Solar-Powered Automation: This automatic vent opener uses solar heat instead of batteries or electricity to open and close greenhouse roof vents based on temperature changes, ensuring your plants get fresh air without any wiring or maintenance.
• Precise Temperature Response: The greenhouse window opener starts opening at 77°F (25°C) and fully opens by 86°F (30°C), then closes when it drops to 60°F (15°C), maintaining ideal growing conditions and preventing sudden overheating or chilling.
• Universal Greenhouse Compatibility: Designed for most standard greenhouses, this ventilation opener supports vents or windows weighing up to 15 lbs (7 kg), making it perfect for hobby gardeners and serious growers alike who need reliable passive climate control.
• Durable Aluminum Construction: Built with weather- aluminum and stainless steel components, this vent opener withstands rain, sun, and seasonal shifts without rusting or degrading, ensuring long-term performance season after season.
• Easy Installation and Full Kit: The package includes 1 cylinder, 1 window opener bracket, 8 screws, 4 accessories, and an English manual—simply clip or screw onto your greenhouse frame for quick setup and immediate automatic ventilation.