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48" Backdraft Damper / Wall Shutter, 48-1/2" x 48-1/2" Opening Required
- Item # 3C312
- Mfr. Model # 3C312
- UNSPSC # 40101504
- Catalog Page # 4103
- Shipping Weight 28.0 lbs.
- Item Backdraft Damper / Wall Shutter
- Fits Fan Dia. 48"
- Overall Square 51"
- Opening Required 48-1/2" x 48-1/2"
- Frame Depth 3"
- Open Depth 6-1/4"
- Flange Width 1-1/2"
- Mounting Hole Size Prepunched
- Free Area 12.924 sq.ft.
- Max. Velocity 2500 FPM
- Mounting Position Vertical
- Blade Material White Painted Aluminum
- Construction Material Extruded Aluminum Frame and G-90 Galvanized Tie Rod
- For Use With Vertical Mounted Exhaust Fans
- Number of Panels 2
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