Non-electric, uses solar energy, opens or closes the greenhouse vents as the temperature rises or falls. Because the temperature changes automatically, it maintains the best growing temperature and prevents your greenhouse from overheating.
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16 - 35 °C！. The greenhouse window openers require no energy or electricity, making them practical and convenient, avoiding unnecessary heat loss and creating optimal conditions for plant growth！. Practical design: ultra-light and ultra-practical design, easy to carry, suitable for all ordinary garden and aluminium greenhouse windows.
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Why Buy From Us?.
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Feature - Color black. - Size: approx. 33 x 1.5 x 1.5 cm. - Made of high quality material, very sturdy and durable. - Ideal for your greenhouse window - opens and closes your greenhouse window as the temperature changes automatically, maintaining the best growing temperature and preventing your greenhouse from overheating.
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Item Type: Vent Opener. 1 x Window Opener Bracket. Fits Weight: Window or vent up to 7kg/15lbs. Window Bracket Product Size: Approx. 33.5 x 4.5 cm / 13.2 x 1.8 in. Start Opening: 25°C (77°F). Maximum Opening Distance: Approx.
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Application: For support Greenhouse Window. Maximum opening weight: 7kg/15lb. Color: Black+Silver. Material: Iron+Plastic.
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Heavy-Duty Twin Spring - 15kg Load Capacity. Transform your greenhouse into an optimally ventilated sanctuary with our Automatic Greenhouse Window Vent Opener. Automatic Greenhouse Window Vent Opener.
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[Automatic Vent Opener]Greenhouse windows opener can open and shut your greenhouse window automatically to maintain the best-growing temperature and prevent your greenhouse from overheating. The vent opener starts opening between 15-25℃ (60-77℉), depending on how you have adjusted the cylinder.
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