Single Spring Greenhouse Vent Opener

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  • Can be clamped onto or screwed onto your greenhouse frame.
  • As the temperature changes automatically, maintains the best growing temperature and prevents your greenhouse from overheating.
  • Prevent greenhouse overheating.
  • Ideal for your greenhouse window–opens and closes your greenhouse window.
  • Non electric, uses solar energy, open or close the greenhouse vents as temperature rises or drops.

Additional information

Weight .5 lbs
Dimensions 2 × 3 × 14 in


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