Backdraft Damper,Vert/Horiz Mtg,19 3/4Sq


This model is a non-flanged exhaust backdraft damper. The blades have a felt seal on the leading edge for quiet closing and better protection from the weather. Spring assisted to allow blades to open quickly. Ideal for use in roof curbs, duct work, or wall collars when using a fan or power roof ventilator.
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  • Item Backdraft Exhaust Damper
  • Type No Flange, Horizontal or Vertical Mount
  • Damper Size (In.) 19-3/4 x 19-3/4
  • Overall Size (In.) 19-3/4 x 19-3/4
  • Max. Velocity (FPM) 2000
  • Construction Material G-90 Galvanized Steel Frame and Aluminum Blades
  • Includes Pre-punched Conduit Hole Knock-out and Felted Edges For Quiet Operation

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