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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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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Ideal 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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Shed greenhouse hardware tools automatic window opener. Product size: support rod: 29.5 1.5cm Single spring: 32 4cm. The gas rod is stuck and does not work. The opening temperature of the gas rod is 15-25°C.
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Bayliss Mk 7 Autovent Unit. Voted "Best Buy"by Amateur Gardening Magazine 4th May 2013. Supplied with full fixing kit and instructions. Supplied in a satin anodised finish.
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ALM AUTOMATIC GREENHOUSE VENT/WINDOW OPENER. The ALM window opener can handle a window up to 7kg and has a maximum opening of 45cm. Temperature range, opening: 17 – 25 ºC. Opening force: 7 kg.
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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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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.
eBay