Spring Loaded Backdraft Damper 8" spade High efficacy/ low operating cost

High efficacy/ low operating cost

fiberglass reinforced scrim

It ensures plants get the start they need by providing growers with the essential real-time information necessary to produce large quantities of healthy plants

chelated minerals and osmotic water for guaranteed excellence and consistent results

flowerbeds and flower boxes

Spring Loaded Backdraft Damper 8" spade High efficacy/ low operating costNeoprene damper seal minimizes leakage 20 gauge steel housing, aluminum spring loaded butterfly damper blades Gasket designed to withstand temperatures from 22 F to 180 F Requires from 0. 04 to 0. 08 in. wg pressure to open Simple installation in any position entire assembly inserts into duct Exterior foam gasket assures a tight seal against duct