2 pcs Automatic Greenhouse Window Opener Auto Vent Opener Roof Vent Opener Auto Vent Kit Solar Heat Sensitive Agriculture Gardening Tools and Supplies (Dual Spring Lifts 15 Lbs)

About this item

• 💕【Automatic Vent Opener】Greenhouse windows opener can open and shut your greenhouse window automatically Accordding to temperature changes to maintain the best growing temperature and preventing your greenhouse from overheating.
• 💕【Premium & Durable Material】The window opener is made of high quality aluminum alloy, Durable and Anti-rust,Thicker and stronger material with 2-spring type , makes it has a longer servies time.
• 💕【Adjustable Temperature Range】Temperature range is adjustable from 15-25℃ (60-77℉)，full opening at temperatures above 30℃/86℉ and offers a maximum vent distance of 45cm (18")(depending on adjustment and load).
• 💕【Easy Installation & Wide Applicability】Thanks to its lightweight and practical design, the automatic window opener for greenhouses can be easily assembled and disassembled.Quick and easy installation on common garden and conservatory windows with the supplied clamps and screws,Suitable for most of polycarbonate panels, wood,wood, or metal frame greenhouse, use in gardens, greenhouses, roofs, etc.
• 💕【Solar Powered】 A mechanical system activated by heat that requires no batteries or electricity and uses solar energy to open or close the greenhouse's vents as the temperature rises or falls to ensure adequate airflow and indoor ventilation.