Spring loaded backdraft dampers
Neoprene damper seal minimizes leakage
Requires from 0.04 to 0.08 inches wg pressure to open
Simple installation in any position
Entire assembly inserts into duct
Spring loaded backdraft dampers
Neoprene damper seal minimizes leakage
Requires from 0.04 to 0.08 inches wg pressure to open
Simple installation in any position
Entire assembly inserts into duct