Prevent greenhouse overheating. Ideal for your greenhouse -opens and closes your greenhouse window automatically. As the temperature changes, this maintains the best growing temperature and prevents your greenhouse from overheating. Non electric, uses solar energy to open or close the greenhouse vents as temperature rises or drops. Can be clamped onto or screwed onto your greenhouse frame. Specifications: Greenhouse Window Opener Kit Material: Aluminum Alloy Fully adjustable between 20 - 25 ° C (68 - 77 ° F) Maximum window opening: 45cm / 18 inch Maximum opening weight: 7kg/15lb Size: Approx. 38x9.5x5cm / 15.0×3.7x2.Oin
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