Product description
Solar heat sensing greenhouse automatic window spring opener.
Made of metal iron and stainless steel, heavy-duty.
The window opener automatically opens and closes as the temperature changes.
Help to maintain the best growing temperature and prevents your greenhouse from overheating.
Easy to install with clamps or screws provides, no batteries or electricity required.
Material: Metal Iron, Stainless Steel
Opening Force: 7-15kg / 15-33lbs
Minimum Open at: 15-25 C / 59-77 F
Maximum Open at 30 C / 86F
Maxinum Open Distance: 45cm /18inch
Overall size: approx. 33.5x5.5x3.6cm/13.19x2.17x1.42inch
1 Piece Automatic Greenhouse Window Opener
Colors might be different due to different monitor display.
Manual measurement may cause slightly difference in size.