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3515
Univent Automatic Vent Opener (C3515)
$49.95
This unique solar vent control will open and close roof vents, a cold frame lid, top-hinged wall vents, or even the greenhou...
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3533
Liberty Louver Opener (C3533)
$44.95
This solar-powered control will open and close a louver window as temperatures change, enhancing air flow through the greenho...
C3526
Giga Vent Control
$149.00
The ultimate solar vent control! Opens and closes vents weighing up to 65 lbs. A hydraulic safety damper prevents gusty winds...
3503
Bayliss MK7 Triple Spring Vent Opener (C3503)
$69.95
The Bayliss Triple Spring solar vent opener is the best choice for top hinged wall vents. It is also recommended for roof ven...
3505
Bayliss MK7 Orchid Vent Opener (C3505)
$79.95
This Bayliss orchid solar vent opener control operates at a higher temperature than other similar openers, allowing the green...
3509
Bayliss MK7 Hydraulicheck Vent Opener (C3509)
$105.00
The Bayliss Hydraulicheck solar vent opener is the best choice for large roof vents and side-hinged wall vents. A built-in hy...
C3540ALU
Bayliss MK7 Super Vent Opener
$198.00
This larger, heavy-duty Bayliss Super solar vent opener is suitable for operating heavy, double-glazed greenhouse vents. It c...
