20" Backdraft Damper / Wall Shutter
- Item # 53DR17
- My Part #
- Mfr. Model # 53DR17
- Catalog Page # 2936
- UNSPSC # 30151801
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- Item Backdraft Damper / Wall Shutter
- Fits Fan Dia. 20"
- Shutter Overall Size 25" x 25"
- Shutter Construction Material Extruded Aluminum Frame and G-90 Galvanized Tie Rods
- Shutter Opening Required 22-1/2" x 22-1/2"
- Shutter Free Area 2.519 sq. ft.
- Shutter Mounting Position Vertical
- Shutter Mounting Location Wall
- Shutter Item Backdraft Damper / Wall Shutter
- Length 25"
- Width 25"
- Frame Depth 2-1/2"
- Open Depth 5-3/4"
- Flange Width 1-1/2"
- Mounting Hole Size 9/64"
- Max. Velocity 2500 FPM
- Blade Material Mill Finish Aluminum
- For Use With Vertical Mounted Exhaust Fans
- Number of Panels 1
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