- 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.
Replacement Greenhouse Window Opener Cylinder
Temperature range 15°- 25°/60°-77F
Maximum opening weight 7kg/15lb
Adjustable length 33-45cm
This products need to be refrigerated before use it.
1 x Winder Opener Cylinder
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.