Vortex Backdraft Damper 4''
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Vortex Backdraft Damper 4''

Product Code: 221004

Spring loaded backdraft damper
  • 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
  • Gauge: 20
  • Dimensions: 4" Diameter x 2.9" W x 2.3"H

MSRP: $23.95