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

top dimensions are 2" diam

This 12-ounce stemless tumbler features stainless steel double-wall construction with vacuum insulation that provides 2X cold and heat retention compared with glass or plastic containers

Suitable for large-scale microgreen or propagation production

) and a textured sweat-free powdercoating to help keep your drink from dripping

Built to last

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