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Backdraft Damper 12" - 411-STD 12

Backdraft Damper 12" - 411-STD 12

Item #: WBB771492

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Backdraft Dampers are non-flanged horizontal mount exhaust backdraft damper. The frame is galvanized steel with aluminum blades. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow the blades to open quickly. Ideal for use in roof curbs, ductwork, or wall collars when using a fan or power roof ventilator. Recommended for horizontal mount exhaust applications.

MADE IN THE USA

Product Specifications

  • BRANDAir Conditioning Products
  • WIDTH INCHES11-3/4
  • DEPTH INCHES2
  • HEIGHT INCHES11-3/4
  • ROUGH OPENING INCHES12 x 12
  • WEIGHT LBS3.5
  • MAX PRESSURE IN W.G. INCHES1
  • NUMBER OF PANELS1
  • TYPEBackdraft
  • FOR USE WITHPower Roof Ventilators
  • LIMITED WARRANTY YEARS1
  • MANUFACTURER'S PART NUMBER411-STD 12
  • DIAMETER INCHES12
  • CONSTRUCTIONGalvanized Frame / Aluminum Blades
  • MAXIMUM VELOCITY FEET PER MINUTE2000
  • FREE AREA SQ. FT.0.65
  • MOUNT TYPEHorizontal
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Backdraft Damper 12" - 411-STD 12

Backdraft Damper 12" - 411-STD 12

Item #: WBB771492

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