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Butterfly Backdraft Damper (4 Inch)

  • Butterfly Backdraft Damper (4 Inch)  (BD 4 )
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Product Description

Backdraft damper with lightweight blades and foam closure to eliminate noise and increase energy efficiency

  • Prevent backdraft through kitchen, bath, forced air, solar, and other exhaust/intake systems.
  • Easy to install, maintenance free, and made of 26 gauge heavier steel
  • Foamed shutter system for quiet closure
  • Vertical (except facing down) or horizontal mounting - one ended crimped 
  • Dampers are available in sizes 3" up to 24 Inch ducting.
  • Click Here for Video
  • Download The Spec Sheet

Warranty Information


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