Greenhouse Sidewall Ventilation Crank womens and hip boards

and hip boards

(5) 1020 Blackout Domes

Roll-up sides

The bottom bar catches tool handles

(4)Flat_Swage_36in_Brace_1

Greenhouse Sidewall Ventilation Crank womens and hip boardsVentilate 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