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48", Backdraft Damper / Wall Shutter 48-1/2" x 48-1/2" Opening Required
- Item # 1C211
- Mfr. Model # 1C211
- UNSPSC # 40101504
- Catalog Page # 4103
- Shipping Weight 33.0 lbs.
- ItemBackdraft Damper / Wall Shutter
- Fits Fan Dia.48"
- Overall Square51"
- Opening Required48-1/2" x 48-1/2"
- Frame Depth3"
- Open Depth6-1/4"
- Flange Width1-1/2"
- Mounting Hole SizePrepunched
- Free Area12.924 sq.ft.
- Max. Velocity2500 FPM
- Mounting PositionVertical
- Blade MaterialMill Finish Aluminum
- Construction MaterialG-90 Galvanized Steel Frame and Tie Rods
- For Use WithVertical Mounted Exhaust Fans
- Number of Panels2
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