Liberty Louver Opener (C3533)
This solar-powered control will open and close a louver window as temperatures change, enhancing air flow through the greenho...
Giga Vent Control
The ultimate solar vent control! Opens and closes vents weighing up to 65 lbs. A hydraulic safety damper prevents gusty winds...
Bayliss MK7 Super Vent Opener
This larger, heavy-duty Bayliss Super solar vent opener is suitable for operating heavy, double-glazed greenhouse vents. It c...