2 Pack Greenhouse Automatic Window Opener Kit For Roof Vents Solar Heat Sensitive Auto Open Close Up To 15 Lbs Dual Spring Ventilation Opener For Easy Install And Quick Cooling And Fresh Air Exchange

Two-Pack Aluminum Auto Window Opener Kit for Greenhouses
✔️ Dual-spring design; opens to 45 cm for vents up to 15 lb

This two-pack greenhouse automatic window opener kit uses a temperature-sensitive actuator to automatically vent roof openings, helping cool the space and improve air exchange in warm weather.

✅ Maximum opening: 45 cm (17.72 in); supports vents up to 7 kg (15 lb)
✅ Aluminum alloy housing for corrosion resistance and durable performance
✅ Double-spring design provides stronger thrust and longer life
✅ Easy install on greenhouse windows and roof vents; weather-resistant

💡 What is a greenhouse automatic window opener used for in climate control?

This handy device helps keep greenhouse temperatures in check by automatically opening vents when it heats up and closing them as it cools. - greenhouse window opener with automatic venting and temperature control - temperature-sensitive actuator opens at 25°C and closes at 15°C - aluminum alloy housing and dual-spring design for durability - supports vents up to 7 kg (15 lb) for various greenhouse sizes