Greenhouse Shutter Fan 20" With Cord, 1PH, 1/3HP, 115V, 1SP, Aluminum Shutter 6mm The Sigma Small Compact (Gen

The Sigma Small Compact (Gen III) brings the strength and durability of the Sigma series into a perfectly square 6

Designed for permanent placement

The system is filled with a hydroton growing medium that provides thermal insulation

4 x 89" x 315

while the interlocking louver design creates a tight weather seal to protect the greenhouse interior when the ventilation system is inactive

Greenhouse Shutter Fan 20" With Cord, 1PH, 1/3HP, 115V, 1SP, Aluminum Shutter 6mm The Sigma Small Compact (Gen"No Electrician Needed" Installation This corded model provides a true "plug and play" experience, as it is pre wired for 115V with a 3 prong plug. Because the unit ships fully assembled out of the box, you can have your ventilation system up and running immediately without the hassle or cost of professional electrical work. Heavy Duty Construction The fan is built for longevity with a heavy duty 18 gauge galvanized housing. It features high