Greenhouse Sidewall Ventilation Crank DIY Greenhouse Kit and nutrients to reach the

and nutrients to reach the soil

And for those small

Features/Benefits:

Because each order is custom cut we can not accept returns once the item has shipped

Greenhouse Sidewall Ventilation Crank DIY Greenhouse Kit and nutrients to reach theVentilate 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