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Automatic Roof Vent Opener, Solar Window Louvre Thread Opener, Up to 15lbs (Centre Shalf Opener)

$30.29

Estimated delivery between December 31 and January 02.

  • Automatic Window Opener Prevent hobby greenhouse overheating
  • Auto Open/Closed.The greenhouse window opener does not consume any power, no batteries or electrical power needed
  • Ideal for your greenhouse window, wall and hobby vents in higher wind situations
  • Starts opening between 59 - 77°F, Replaces manual vent arm
  • Screw directly into polycarbonate panels, wood, or metal frames.

Learn how to put it together quickly.

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PREMIUM

Strict quality control to guarantee prime products

SECURE

Multiple payment tools and safe payment supported

CONVENIENT

Free shipping and quick delivery within 4-10 days

COMMITMENT

Easy returns and refunds within 30 days