Greenhouse Shutter Fan 20" With Cord, 1PH, 1/10HP, 115V, 1SP, Aluminum Shutter 16mm We recommend installing an even

We recommend installing an even number of ventilation windows on either side of the greenhouse for optimum airflow

it is fully compatible with motorized shutter kits

Because it ships fully assembled out of the box

high-tension springs automatically pull the interlocking louvers shut to create a superior weather seal

For smooth and quiet operation

Greenhouse Shutter Fan 20" With Cord, 1PH, 1/10HP, 115V, 1SP, Aluminum Shutter 16mm We recommend installing an even"No Electrician Needed" Installation This model is designed for maximum convenience, featuring a "plug and play" setup. It comes pre wired for 115V with a 3 prong plug and a 10' cord. Because the unit ships fully assembled out of the box, you can achieve professional grade ventilation immediately without the need for an electrician. Heavy Duty and Weather Resistant Constructed for longevity, the fan is housed in a heavy duty 18 gauge galvanized frame.