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20" Backdraft Damper / Wall Shutter, 20-1/2" x 20-1/2"
  • Zoro #: G0257677
  • Mfr #: 4C559
$57.87
  • Mounting Hole Size: Prepunched
  • For Use With: Vertical Mounted Exhaust Fans
  • Shutter Opening Required: 20-1/2" x 20-1/2"
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Dayton #4C559 Specifications

  • Zoro #: G0257677
  • Mfr #: 4C559
Mounting Hole Size: Prepunched For Use With: Vertical Mounted Exhaust Fans
Shutter Opening Required: 20-1/2" x 20-1/2" Frame Opening B: 20"
Shutter Overall Square: 23" Open Depth: 5-3/4"
Item: Backdraft Damper Wall Shutter Shutter Overall Size: 23" x 23"
Frame Depth: 2-1/2" Shutter Mounting Location: Wall
Shutter Item: Backdraft Damper / Wall Shutter Blade Material: White Painted Aluminum
Shutter Free Area: 2.281 sq. ft. Shutter Construction Material: Extruded Aluminum Frame and G-90 Galvanized Tie Rods
Fits Fan Dia.: 20" Max. Velocity: 2500 FPM
Number of Panels: 1 Frame Opening A: 20"
Shutter Mounting Position: Vertical Flange Width: 1-1/2"
Country of Origin (subject to change): United States
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Description

Backdraft Damper / Wall Shutter, Fits Fan Dia. 20 In., Shutter Overall Size 23 In. x 23 In., Shutter Construction Material Extruded Aluminum Frame and G-90 Galvanized Tie Rods, Shutter Opening Required 20-1/2 In. x 20-1/2 In., Shutter Free Area 2.281 sq. ft., Vertical Shutter Mounting Position, Shutter Mounting Location Wall, Frame Depth 2-1/2 In., Open Depth 5-3/4 In., Flange Width 1-1/2 In., Mounting Hole Size Prepunched, Max. Velocity 2500 FPM, Blade Material White Painted Aluminum

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