2021 popular Focket Greenhouse Vent Opener,Solar Heat Energy Sensitive Automatic Greenhouses sale Roof Automatically Prevent Overheating online sale Vent Autovent for Window Open Greenhouse online

2021 popular Focket Greenhouse Vent Opener,Solar Heat Energy Sensitive Automatic Greenhouses sale Roof Automatically Prevent Overheating online sale Vent Autovent for Window Open Greenhouse online

2021 popular Focket Greenhouse Vent Opener,Solar Heat Energy Sensitive Automatic Greenhouses sale Roof Automatically Prevent Overheating online sale Vent Autovent for Window Open Greenhouse online
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  • Prevent greenhouse overheating.
  • 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.
  • Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.
  • Can be clamped onto or screwed onto your greenhouse frame.