30" Backdraft Damper / Wall Shutter, 30-1/2" x 30-1/2" Opening Required
- Item # 3C309
- Mfr. Model # 3C309
- Catalog Page # 2993
- UNSPSC # 40101504
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- Item Backdraft Damper / Wall Shutter
- Fits Fan Dia. 30"
- Shutter Overall Size 33" x 33"
- Shutter Construction Material Extruded Aluminum Frame and G-90 Galvanized Tie Rods
- Shutter Opening Required 30-1/2" x 30-1/2"
- Shutter Free Area 5.452 sq. ft.
- Shutter Mounting Position Vertical
- Shutter Mounting Location Wall
- Shutter Item Backdraft Damper / Wall Shutter
- Frame Depth 3"
- Open Depth 6-1/4"
- Flange Width 1-1/2"
- Mounting Hole Size Prepunched
- Max. Velocity 2500 FPM
- Blade Material White Painted Aluminum
- For Use With Vertical Mounted Exhaust Fans
- Number of Panels 1
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