Keep your greenhouse at a appropriate temperature. Greenhouse Aid: The automatic greenhouse window opener opens and closes automatically by thermal temperature induction. Keep the plants at the optimal growth temperature.
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🌞【Double Spring Design】Compared with the single spring vent, the double spring greenhouse window opener has stronger thrust force, more solid, and much durable. 🌞【High Performance】As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
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Keep your greenhouse at a appropriate temperature. Greenhouse Aid: The automatic greenhouse window opener opens and closes automatically by thermal temperature induction. Keep the plants at the optimal growth temperature.
eBay
Ideal for your greenhouse window--opens and closes your greenhouse window. Prevent greenhouse overheating. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
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Shed greenhouse hardware tools automatic window opener. Quantity： 1pc automatic window opener. Size: support rod: 29.5 1.5cm Single spring: 32 4cm. The maximum height of the window open to the outside is about 45cm.
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The Ellovent ™ Special Heavy Duty Automatic Greenhouse Vent Opener. Unique easy clamp feature allows the bottom of the autovent to be disengaged instantly in the event of severe winds or to allow manual opening in winter.
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Single/Double Spring Greenhouse Window Autovent Automatic Opener Green House NEW. This automatic window opener will help you maintaining the best growing temperature and prevent your greenhouse from overheating.
eBay
Keep your greenhouse at a appropriate temperature. Greenhouse Aid: The automatic greenhouse window opener opens and closes automatically by thermal temperature induction. Keep the plants at the optimal growth temperature.
eBay