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  9. 20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in
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Dayton

20 in Backdraft Damper / Wall Shutter, 20-1/2 in x 20-1/2 in

product price: $143.99
/ea
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Key Features

  • Shutter Mounting Position Vertical
  • Shutter Mounting Location Wall
  • Shutter Construction Material Fiberglass Frame and Stainless Steel Tie Rod
  • Shutter Free Area 2.281 sq ft
  • Shutter Opening Required 20-1/2 in x 20-1/2 in
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Product Information

Dimensions

Shutter Overall Size 23 in x 23 in
Fits Fan Dia. 20 in
Open Depth 6 1/4 in
Frame Depth 3 in
Mounting Hole Size Prepunched
Flange Width 1 1/2 in
Overall Length 6 1/2 in
Overall Width 23 in
Overall Height 23 in
Overall Diameter 23 in
Fits Fan Diameter 20 in
Frame Opening Height 20 1/2 in
Rough Opening Diameter 20 1/2 in
Rough Opening Length 20 1/2 in
Frame Opening Width 20 1/2 in
Rough Opening Width 20.5 in
Mounting Hole Diameter 1/4 in

Description

23 In.H-W 6.5 In.L Fiberglass Backdraft Damper, Damper Application Backdraft, For Nominal Duct Diameter Not Applicable, Frame Material Fiberglass, Number of Panels 1, Maximum Air Velocity 2500 fpm, Overall Height 23 in, Rough Opening Diameter 20 1/2 in, Rough Opening Shape Square, Fits Fan Diameter 20 in, For Duct Shape Not Applicable, Free Area 2.3 sq ft, Overall Width 23 in, Frame Material Thickness 0.1 in, Overall Length 6 1/2 in, Connection Type Not Applicable, Frame Depth 3 in

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