Greenhouse Automatic Vent Opener

This is a automatic vent opener that can be added to the Harvest Greenhouse line. It will create much needed ventilation. It also offers a big convenience during harvest time or moving plants in or out of the greenhouse.


Automatic opening greenhouse vent units and window openers are perfect, for maintaining optimal ventilation in hobby greenhouses.

  • Keep your greenhouse at the optimum temperature.
  • Automatically opens the vent window, it is completely hands free.
  • Easy and quick installation.
  • Purchase includes free shipping within the Contiguous United States.
  • Robert Johnson
    2 reviews
    It's incredible how convenient this vent opener really is! My girlfriend loves it, too, since she can grow veggies and herbs in optimal conditions. I really don't know what took us so long to stumble upon this retailer, but I'm pretty sure that we'll never look anywhere else from now on when it comes to buying gardening equipment!
    Stacy Trahan on 10/02/2011
    2 reviews
    Soooo conveniant. This is a must have for any greenhouse.

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