Greenhouse Aluminum Shutter Size:36 in. Based on a 12" Fan

Based on a 12" Fan

choose the Economy Starter Package

The enhanced drainage also keeps the top of the media drier

VK24 24" Yes 5' 1/2 115/230 4

Multi-Purpose Utility: Use as an excellent container for cultivating wheatgrass

Greenhouse Aluminum Shutter Size:36 in. Based on a 12" FanThis shutter can be motorized to be used as outside air intake or free air exhaust when connected to a controller. Outdoor air is drawn in through this motorized shutter and hot air is exhausted through a motorized shutter fan. Can also be used as exhaust shutter with an evaporative cooler. Standard Features High efficiency shutter with tie bar to eliminate shutter flapping Shutter only Nylons bearings; solid shafts; drawn cup type sleeves on all