Greenhouse Automatic Window Opener Solar Heat Sensitive Keep Best Temperature

Description

Greenhouse Automatic Window Opener
Solar Heat Sensitive
Maintain the Best Temperature
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
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 can not 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.
Double spring Kit