Greenhouse Window Opener Solar Heat Sensitive Vent Opener Automatic Agricultural Spring Adjustable Temperature Stainless Steel Suitable

Description: - Solar sensing greenhouse automatic window spring opener. - Made of stainless steel, heavyduty, Maximum opening Load: 7 kg / 15 kg - Working Principle: As the temperature changes automatically, thermal expansion and contraction, cylinder maintains the best growing temperature and prevents your greenhouse from overheating. - , automatic close the greenhouse vents as temperature rises or - saving friendly, no eletricitySpecification: - Material: Stainless Steel - Size: Approx. 38x10x5cm / 14.96x3.94x1.97inch - Maximum window opening: 45 cm - Maximum opening: 30 ° depending on adjustment and load - Single Spring : - . opening weight load: 7 kg - Adjustable open temperature range ° 25 ° / 68Package Includes:2 Pieces Greenhouse Window OpenerNote:Please use the opener temperature will exceed 50 ° (122F).Please remove the cylinder, the opener cannot be stopped by manual.

• -Working Principle: As the temperature changes automatically, thermal expansion and contraction, cylinder maintains the best growing temperature and prevents your greenhouse from overheating.
• -Made of stainless steel, heavy-duty, Maximum opening Load: 7 kg / 15 kg
• --saving friendly, no eletricity
• , automatic close the greenhouse vents as temperature rises or
• -Solar sensing greenhouse automatic window spring opener.