Suitable for Most Greenhouses:The automatic window opener is suitable for greenhouse planting.This product is only suitable for windows installed in greenhouses.The maximum load-bearing capacity of the glass of the ventilation window does not exceed 30lb
Working ConditionThe maximum height of the open window is about 45 cm (18 inches)
Easy To Install:Uses Solar energy only, no power required.
Excellent Quality:Stainless steel galvanized sheet, double spring design, automatic temperature adjustment 15-25°
Tips：Note: Do not apply excessive loads by locking or covering window.The automatic ventilation window opener in the greenhouse cannot be used in an environment with a temperature higher than 50°
