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  • $56.00

    Univent Automatic Vent Opener

    Multiple uses - C3515 This unique solar vent control will open and close roof vents, a cold frame lid, top-hinged wall vents, or even the greenho...

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    $56.00
  • A video guide on how to install the Mk7 Auto vent fitting in a greenhouse.
    $74.95

    Bayliss MK7 Triple Spring Solar Vent Opener

    Harness the sun for automatic ventilation! - C3503 The Bayliss MK7 Triple Spring solar vent opener is the best choice for top-hinged wall vents. It...

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    $74.95
  • $49.95

    Liberty Automatic Louver Opener

    For automatic ventilation - C3533 The Sesam Liberty solar-powered control will open and close a louver window as temperatures change, enhancing a...

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    $49.95
  • $99.95

    Bayliss MK7 Hydraulicheck Solar Vent Opener

    Heavy-Duty Control The Bayliss MK7 Hydraulicheck solar vent opener is the best choice for large roof vents and side-hinged wall vents. A built-in...

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    $99.95
  • Out of Stock
    $59.50
    $56.00

    Bayliss XL Single Spring Vent Opener

    Simple, strong and easy to install Budget “clip-on” model lifting a load of up to 12 lbs. giving a maximum opening of approximately 12″. The unit m...

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    $59.50
    $56.00
    Out of Stock
  • A video demonstrating how to install the Bayliss MK 7 Auto vent on your greenhouse.
    $84.95

    Bayliss MK7 Orchid Solar Vent Opener

    For tropical greenhouses This Bayliss MK7 orchid solar vent opener control operates at a higher temperature than other similar openers, allowing ...

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    $84.95
  • A photo showing the use of the Giga Vent Control
    $154.50

    Gigavent Control

    Heaviest lifting capacity The ultimate solar vent control! Opens and closes vents weighing up to 65 lbs. A hydraulic safety damper prevents gusty w...

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    $154.50
  • Bayliss Super Solar Vent Opener displayed on a white background
    $198.00

    Bayliss MK7 Super Solar Vent Opener

    Heavy Lifting Capacity This larger, heavy-duty Bayliss MK7 Super solar vent opener is suitable for operating heavy, double-glazed greenhouse vent...

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    $198.00
  • $99.00

    Megavent Control, aluminum color

    With a 26-lb. lifting capacity, twice that of standard solar openers, the Megavent is the best choice for heavier roof vents, side windows, and sky...

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    $99.00