Greenhouse Vent Automatic Opener Solar Heat Sensitive, Auto Roof Vent Opener Greenhouse Accessories Roof Vent Auto Opener, Greenhouse Window Opener Ventilation, Lifts 15 Lbs (2pcs)

About this item 2 pieces of Greenhouse Vent Automatic Opener, Suitable for Most Greenhouses– Up to 15lb load-bearing capacity, JINGOU greenhouse Automatic Vent Opener kit is suitable for most greenhouse. Maximum opening weight 7 kg, Maximum height approx. 45 cm. Solar Heat Sensitive Working Condition– Solar greenhouse vent opener works when the temperature exceeds 77°F /25°C, solar vent opener will open. while temperature drops to 59°F /15°C, the greenhouse kit will shut down completely. Upgraded Material, Reliable and Reusable– JINGOU greenhouse side window automatic vent opener made of Zinc-coated Steel, Durable and Anti-rust , makes it has a longer servies time. Product Size 12×1.4 x1.57inch/31.5×3.5x4cm, Weight 0.97lb/440g. Automatic Opening/Closing, No Batteries or Electrical Power Needed–Using solar energy, the greenhouse automatic temperature controlled window opener automatically opens and closes through the thermal induction of temperature. Equipped with Screws, Easy To Install– Greenhouse window opener automatic set of 2. Vent opener greenhouse equipped with screws, screw it into the panel , wood or metal frame directly with a screwdriver, simple and convenient.