Greenhouse Sidewall Vent Crank with 4 to 1 Gear organic mulch delivery top dimensions are 2" diam

top dimensions are 2" diam

Service area includes Pasco

a construction that outperforms cast iron

and mixed crops

Suitable for large-scale microgreen or propagation production

Greenhouse Sidewall Vent Crank with 4 to 1 Gear organic mulch delivery top dimensions are 2" diamVentilate your greenhouse with our side wall ventilation hand crank. It can raise and lower roll up curtains along sidewalls up to 150 feet long, enabling better airflow and climate control. The crank features a stainless steel handle and a full plastic resin casing designed to resist corrosion over time. A 4: 1 gear ratio provides easy cranking, and the self locking automatic brake holds the sidewall in place. The drive shaft fits inside a " EMT