Auto Vent Opener Automatic Greenhouse Windows Opener Temperature Sensitive Roof Vent Opener Auto Vent Kit Gardening Tools Greenhouse Accessories Hothouse Roof Vent Kit (Dual Spring Up to 30lbs)
【DURABLE DUAL SPRING DESIGN】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.
【Temperature-Sensitive Ventilation】Automatic window opener will automatically open and shut your greenhouse window to maintain the best growing temperature and preventing your greenhouse from overheating, efficiently regulating your greenhouse's internal climate.
【PRECISE TEMPERATURE CONTROL】Operating between 15°C to 25°C (60°F - 77°F),maximum opening at about 30℃/86℉ (depending on adjustment and load), the greenhouse window opener adapts to various weather conditions.
【High-quality Construction】Durable and rust-proof aluminum alloy windows opener with paint spraying for last long time use.
【Wide Applicability】The vent opener can be closed manually and is easy to install, fit for most aluminum frame greenhouses and seamlessly integrates with roof vents for houses, making it a versatile choice for different setups.
