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Haofy Greenhouse Automatic Roof Vent Opener, Greenhouse Window Opener, Temperature Heat Sensor Auto Window Vent Opener Cylinder

Price: $15.80
Product prices and availability are accurate as of 2024-07-11 09:09:03 UTC and are subject to change. Any price and availability information displayed on https://www.amazon.com/ at the time of purchase will apply to the purchase of this product.
Availability: In Stock
In Stock
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Product Features

No Electricity Needed: Uses solar energy, open or close the greenhouse vents as temperature rises or drops and clamps to greenhouse bars. Do not use this opener cylinder anywhere the temperature will exceed 50° (122F). Working Conditions: Start to open:15°c:25°c (60°?77F); Fully open temperature is about 30°; Maximum window opening approximately 45cm/18'', depending on adjustment and load. Maximum Opening Weight: Window roof vent opener Suitable for greenhouse window up to 7kg/15lb (if more than 7kg, we recommend you to use two window opener). Easy To Assemble: Window roof vent opener is easy to assemble, Screws into wood and clamps onto aluminium greenhouses without the need for drilling, can be clamped onto or screwed onto your greenhouse frame. Application: It will automatically open and shut your greenhouse window to maintain the best growing temperature and preventing your greenhouse from overheating. Perfect for your greenhouse window.

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