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Automatic Window Opener Kit - Greenhouse Window Opener Vent Autovent Solar Heat Sensitive Automatic Greenhouses Roof
Automatic Window Opener Kit - Greenhouse Window Opener Vent Autovent Solar Heat Sensitive Automatic Greenhouses Roof
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Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops. As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating. Ideal for your greenhouse window--opens and closes your greenhouse window. Can be clamped onto or screwed onto your greenhouse frame.