- Item # 4HX77
- My Part #
- Mfr. Model # 4HX77
- Catalog Page # 2934
- UNSPSC # 40101504
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- Item Backdraft Damper
- Type Wall Mount, Supply
- Damper Size (In.) 15 x 15
- Overall Size (In.) 17-3/4 x 17-3/4
- Flange Width (In.) 1-3/8
- Max. Velocity (FPM) 2000
- Construction Material 16-gauge Extruded Aluminum Frame, Aluminum Blades, Galvanized Steel Tie Rods and Stainless Steel Hardware
- Use w/Dayton Ventilators 4HZ58, 4HZ59
- Includes Felted Edges For Quiet Operation
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