Greenhouse Automatic Window Opener Solar Heat Sensitive Vent Opener Maintains Temperature Greenhouse Window Opener Kit

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 :
Material: Aluminum Alloy; 
Operating Temperature: 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; 
Material: ABS; 
Color: Black; 
Temperature Range: 20-25℃ / 68-77℉; 
Maximum Opening Distance: Approx. 45 cm / 18in; 
Adjustable Length: Approx. 33-45cm/ 13-18in; 
Application: For Under 14 Kg Window; 
Size: Approx. 33 x 1.5cm / 12.99 x 0.59in; 
Weight: Approx. 117g; 
  
Package Included :
1 x Automatic Window Opener Kit; 
1 x Window Opener Cylinder Only;