Greenhouse Manual Sidewall Film Reeler (Hand Crank) grow room circulation 30'x120' Quonset greenhouse frames are

30'x120' Quonset greenhouse frames are also known as “high tunnel greenhouses

GrowControl™ DXV4 modules for DIN rail feature four (4) 0-10V analog outputs for dimming lighting zones and other analog control

Vents combustion fumes outside away from your plants

Length: 10 in

Greenhouse Manual Sidewall Film Reeler (Hand Crank) grow room circulation 30'x120' Quonset greenhouse frames areHand cranks are used for manually pulling greenhouse sidewall curtains. If you have a smaller greenhouse that does not use automation, you can use hand cranks to pull your curtains and save on electricity costs. Hand cranks fit standard with a 1 3 8" pipe. You will need a side wall guide pipe (HTD SWRGP) for the reeler to roll up and down during operation.