Feature

●WIDE RANGE OF APPLICATIONS: Window openers are perfect for your greenhouse windows, opening and closing your greenhouse windows. This automatic window opener will help you maintain optimal growing temperatures and keep your greenhouse from overheating.
●FUNCTION: The greenhouse window opener adopts thermal design, and the hole opener can easily sense temperature changes. You can easily prevent your greenhouse from overheating and maintain the optimum temperature at all times.
●ENVIRONMENTALLY FRIENDLY: Greenhouse automatic window openers use solar energy for heating and do not require electricity. Help conserve energy and maximize natural resources.
●STURDY CONSTRUCTION: Greenhouse window openers are made of reliable aluminum alloy with a strong and durable construction. Long-term use is guaranteed.
●PRECAUTIONS: Do not use this opener anywhere the temperature exceeds 50° (122F); make sure your greenhouse windows are free to open at least 45 cm (18 inches); do not apply excessive loads by locking or covering windows.


Description

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 adjustable between 20 - 25 ° C (68 - 77 ° F)

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

Size: Approx. 38x9.5x5cm / 15.0x3.7x2.0in
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 1 as standard.