3pcs Automatic Greenhouse Window Opener Set Metal Roof Vent Opener for Temperature Control Gardening

Package includes 3 automatic window openers. Each opener measures 33.00 x 1.50 x 1.50 cm (12.97 x 0.59 x 0.59 in) and is finished in black metal. Key benefits Automatic vent control keeps greenhouse temperature more stable, helping prevent overheating during warm periods and reducing manual adjustments. Durable construction resists rust and corrosion in humid greenhouse environments, for longer service life. Simple installation and low maintenance make it practical for hobby and small commercial growers. Lightweight and portable design for easy placement, replacement, or storage. Features Material: Galvanized aluminum body provides corrosion resistance and structural strength. Color: Black metal finish. Function: Automatic window opener for greenhouse vents and roof windows; can be clamped onto or screwed to a frame. Size: 33.00 x 1.50 x 1.50 cm per unit. Compatibility: Suitable for most garden greenhouses and common vent and roof window types. Installation: Easy to install with clamps or screws; minimal tools required. Portability: Compact and lightweight for convenient handling and storage. How it solves common problems Reduces the need for constant monitoring by opening and closing vents automatically to help maintain favorable conditions for plants. Prevents overheating during hot days, protecting plants and reducing stress from rapid temperature swings. Corrosionresistant material avoids premature failure in damp greenhouse environments. Typical applications and scenarios Hobby greenhouse: Install on side vents or roof vents of a small polycarbonate or glass greenhouse to automate ventilation during warm days. Seasonal crops and seedlings: Use on propagation benches or cold frames to maintain more consistent temperatures without daily intervention. Small commercial or community gardens: Fit to multiple vents to provide synchronized, maintenance vent operation across several units. Package contents 3 x Automatic window opener (galvanized aluminum, black; 33.00 x 1.50 x 1.50 cm each) Notes Can be clamped onto or mounted with screws to a compatible greenhouse frame. Check fit and mounting method before installation.