Pomya Greenhouse Window Opener, Solar Heat Sensitive Automatic Greenhouses Roof Vent Opener, Window Vent Opener, Cold Frame Gardening Tools

Features:
Prevent greenhouse overheating.
Ideal for your greenhouse window–opens and closes your greenhouse window. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Non electric, uses solar energy, 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 between 20 – 25 ° C (68 – 77 ° F)

Maximum window opening: 45cm / 18 inch
Maximum opening weight: 7kg/15lb

Size: Approx. 38×9.5x5cm / 15.0×3.7×2.0in
Package:
1 x Automatic Window Opener Kit

Notes:
Do not use this opener anywhere the temperature will exceed 50° (122F) Please ensure your greenhouse window can be opened freely by at least 45cm (18) Do not apply excessive loads by locking or covering window Do not dismantle the cylinder The opener CANNOT stop by manual 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.

As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
Can be clamped onto or screwed onto your greenhouse frame.
Ideal for your greenhouse window–opens and closes your greenhouse window.
Prevent greenhouse overheating.
Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.