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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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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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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Greenhouse Accessories. This opener will automatically open and shut your greenhouse window to maintain the best growing temperature and preventing your greenhouse from overheating. Greenhouse Window Vent Opener Auto Strong 15 kg Solar 2 Springs.
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Enjoy perfect growing conditions without lifting a finger. The Easy Clip feature allows for quick and easy installation and removal. With its powerful double arm and spring design, it effortlessly handles larger windows and doors.
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1 x Single Spring Greenhouse Window Autovent Automatic Opener Auto Vent Green House. Shed greenhouse hardware tools automatic window opener. When your greenhouse cools down the vent opener will begin to close again.
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Perfect for your greenhouse window‑‑opens and closes your greenhouse window. Perfect for your greenhouse window--opens and closes your greenhouse window. 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