Greenhouse Window Opener Kit Aluminum Alloy Automatic Ventilation Tools Agricultural Supply

Feature: 1. Greenhouse window opener kit, adopts aluminum alloy material, with good durability and stability. 2. When temperature changes automatically, it can automatically open and close to prevent the greenhouse from overheating. 3. With springs and support rods, to provide extra protection against wind damage. 4. It can be directly clamped or screwed on your greenhouse frame, easy to install and use. 5. Maintain the optimal growth temperature in the greenhouse and provide a suitable growth environment. Specification: Condition: 100percent Brand New Item Type: Window Opener Kit Material: Aluminum Alloy Color: Black Uses: Greenhouse, Household Bearing Weight: 14kg / 31lb Opening Force: 7kg / 15lb Closing Force: 0.5kg / 1lb Product Operating Temperature: 17-25 celsius Maximum Opening Temperature: 30 celsius Maximum Opening Distance: Approx. 45cm / 17.7inWeight: Approx. 570g / 20.1oz Window Opener Size: Approx. 31.5cm / 12.4in Cylinder Size: Approx. 34cm / 13.4in. Package List: 1 x Accessory Kit (12Pcs)1 x English Manual1 x Window Opener1 x Cylinder Note: 1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.