Automatic Window Opener,Carbon Steel Greenhouse Window Automatic Roof Vent Opener Replacement Cylinder Temperature Sensor

Specifications:
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.

Package:
1 x Automatic Window Opener/ Replacement Greenhouse Window Opener Cylinder

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.