Roof Vent Opener
Features:Made of quality material, durable and convenient to use.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.Perfect for your greenhouse window.This products need to be refrigerated before use it.
Specifications:
Item Type: Greenhouse Winder Opener Cylinder Temperature range 15°- 25°/60°-77F
Weight: Approx. 107g
Package:1 x Greenhouse Winder Opener Cylinder
Notes:Do not use this opener cylinder anywhere the temperature will exceed 50° (122F).Do not dismantle the cylinder.This products need to be refrigerated before use it.Monitors are not calibrated same, item color displayed in photos may be slightly different from the real object.
Single / Double Spring Kit
Greenhouse Automatic Window Opener Solar Heat Sensitive Autovent Vent Opener Maintains Best Temperature Agriculture Garden Tools
Single Spring Kit
Specifications:
Greenhouse Window Opener Kit
Material: Aluminum Alloy
Maximum window opening: 45cm
Maximum opening about: 30°, depending on adjustment and load
Maximum opening weight: 7kg/15lb
Adjustable open temperature range: 20°- 25°/68°-77F
Size: 38 x 9.5 x 5 cm(as the picture)
Package:
1 x Automatic Window Opener Kit (Single Spring Kit)
Notes:
- Do not use this opener anywhere the temperature will exceed 50° (122F)
- Please 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 be stopped manually
- Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object.
Double Spring Kit
Specifications:
Maximum window opening: 45cm
Maximum opening about: 30°
depending on adjustment and load Maximum opening weight: 7kg/15lb
Adjustable open temperature range: 15°- 25°/60°-77F
Package includes:
1 x Automatic window opener (Double Spring Kit)
Note: Due to the upgrade of this item, the 11th part showed in manual is not included. Please take the real one as standard.