Greenhouse Sidewall Ventilation Crank greenhouse supplies and 100’ lengths

and 100’ lengths

multiply the PSI x GPM ratings of the pressure washer unit

NOT A COMPLETE KIT Lumber and 1 3/8" Top Rail is not included

leading to less stretch and more efficient development

We offer a starter pack bundle that includes 4 of the most common rollers used

Greenhouse Sidewall Ventilation Crank greenhouse supplies and 100’ lengthsVentilate your greenhouse with our side wall ventilation hand crank. Easily vent your roll up curtain sidewalls up to 150 feet long! Features Stainless steel handle, full plastic resin casing for long anti corrosion time The 4: 1 Gear ratio provides easy cranking Self Locking and automatic brake holds sidewall in place The drive shaft fits perfectly inside " EMT conduit. Attachment screws included " EMT conduit guide post not included but easily found