1Pack Dayton 53DR20 20 in Backdraft Damper / Wall Shutter 22-1/2 in x 22-1/2 in
sku: 274850231
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$102.34
Shipping from: United States
Description
1Pack Dayton 53DR20 20 in Backdraft Damper / Wall Shutter 22-1/2 in x 22-1/2 in Backdraft Damper / Wall Shutter Fits Fan Dia. 20 in Shutter Overall Size 25 in x 25 in Shutter Construction Material G-90 Galvanized Steel Frame and Tie Rods Shutter Opening Required 22-1/2 in x 22-1/2 in Shutter Free Area 2.527 sq ft Vertical Shutter Mounting Position Shutter Mounting Location Wall Length 25 in Width 25 in Frame Depth 2 1/4 in Open Depth 6 1/4 in Flange Width 1 1/2 in Mounting Hole Size 9/64 in Max. Velocity 2500 FPM Blade Material Mill Finish Aluminum
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