Greenhouse Manual Sidewall Film Reeler (Hand Crank) grow room circulation Vents combustion fumes outside away

Vents combustion fumes outside away from your plants

Length: 10 in

condensation droplets form more dramatically and have a number of undesirable effects

3°C) differential

relays & contactors

Greenhouse Manual Sidewall Film Reeler (Hand Crank) grow room circulation Vents combustion fumes outside awayHand 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.