Decdeal Window Opener, Vent Opener, Automatic Vent Opener with Double Spring, Greenhouse Window Opener, Automatic Vent Opener with Temperature Controlled

Features: 1. Compared to a single spring vent, the double spring vent has a stronger, more robust, and much more durable pushing force. 2. The double spring vent opener can be closed manually. 3. Elongated aluminum cylinder with powder coating, weather-resistant. Specification: After installing this automatic temperature-controlled vent opener, your window will open automatically. It is sensitive to solar heat and opens the vent when the weather warms up, then closes it when it cools down. Works very well to maintain the greenhouse within the preferred temperature range. Features: Compared to a single spring vent, the double spring vent has a stronger, more robust, and much more durable pushing force. The double spring vent opener can be closed manually. Elongated aluminum cylinder with powder coating, weather-resistant. Solar heat-sensitive vent opener, automatically expands or contracts the vent when the temperature changes. Stainless steel fittings will last a long time. The aluminum frame has a brighter, more durable, and rust-resistant appearance. Easy to install, universal fit for all aluminum-framed greenhouses. The automatic opening temperature range is adjustable from 15 to 25°C (60 to 77°F) by rotating the cylinder. (Clockwise for higher, counterclockwise for lower.) Maximum opening at approximately 30°C/86°F (depending on the setting and load). Suitable for vents weighing up to 7 kg/15 lbs. Specifications: Material: Aluminum + SS Item Weight: Approx. 376g / 13.26 oz Package Weight: Approx. 439g / 15.49 oz Package Size: Approx. 38 * 9.5 * 4.5 cm / 14.96 * 3.74 * 1.77 inches. Package includes: 1 * vent opener, 1 * accessory pack, 1 * manual (English). Note: Do not heat above 50°C (122°F). Do not disassemble the cylinder. Cool the cylinder for 24 hours before installation. The maximum opening and closing angle of the product is 45°.