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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: $86.35
/ea
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Key Features

  • Shutter Mounting Position Vertical
  • Shutter Mounting Location Wall
  • Shutter Construction Material Extruded Aluminum Frame and G-90 Galvanized Tie Rods
  • 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
Mounting Hole Size Prepunched
Open Depth 5 3/4 in
Frame Depth 2 1/2 in
Flange Width 1 1/2 in
Overall Length 5 3/4 in
Overall Width 23 in
Overall Height 23 in
Rough Opening Diameter 20 1/2 in
Mounting Hole Diameter 1/4 in
Frame Opening Width 20 in
Fits Fan Diameter 20 in
Rough Opening Width 20.5 in
Rough Opening Length 20 1/2 in
Overall Diameter 23 in
Frame Opening Height 20 in

Description

23 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 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 0.8 in, Overall Length 5 3/4 in, Connection Type Not Applicable, Frame Depth 2 1/2 in

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