DAYTON 5C213 18 in Backdraft Damper / Wall Shutter, 18-1/2 in x 18-1/2 in from other stores

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  DAYTON 4C558 18 in Backdraft D...

  21 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, F... 21 In.H-W 5.75 In.L Aluminum Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Aluminum, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 21 in, Rough Opening Diameter 18 1/2 in,... more

  Details
  

  $80.29 Delivery: See Store Go to store
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  DAYTON 2C521 Wall Backdraft Da...

  21 In.H-W 6 In.L Aluminum Wall Backdraft Dampr, Damper Application Backdraft, ... 21 In.H-W 6 In.L Aluminum Wall Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 21 in, Rough Opening Diameter 18... more

  Details
  

  $57.95 Delivery: See Store Go to store