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Damper, Vert/Horiz Mtg, 17 3/4 Sq

product price: $50.69
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Key Features

  • Type No Flange, Horizontal or Vertical Mount
  • Damper Size (In.) 17-3/4 x 17-3/4
  • Overall Size (In.) 17-3/4 x 17-3/4
  • Max. Velocity (FPM) 2,000 fpm
  • Construction Material G-90 Galvanized Steel Frame and Aluminum Blades
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Product Information

Dimensions

Damper Size (In.) 17-3/4 x 17-3/4
Overall Size (In.) 17-3/4 x 17-3/4
Overall Length 4 1/2 in
Overall Height 17 3/4 in
Overall Width 17 3/4 in
Rough Opening Length 18 in
For Nominal Duct Diameter 18 in
Rough Opening Width 18 in
Rough Opening Diameter 18 in
Fits Fan Diameter 18 in
Frame Depth 2 in

Description

17.75 In.H-W 4.5 In.L Alu Univ Backdraft Dampr, Damper Application Backdraft, For Nominal Duct Diameter 18 in, Frame Material Galvanized Steel, Number of Panels 1, Maximum Air Velocity 2000 fpm, Overall Height 17 3/4 in, Rough Opening Diameter 18 in, Rough Opening Shape Square, Fits Fan Diameter 18 in, For Duct Shape Square, Free Area 2.2 sq ft, Overall Width 17 3/4 in, Frame Material Thickness 20 ga, Overall Length 4 1/2 in, Frame Depth 2 in, Rough Opening Length 18 in, Maximum Pressure 1 in wc

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