Spring Loaded Backdraft Damper 4"

$20.00

  • Neoprene 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
3 in stock