| BRAND | DAYTON |
| Product | 4C556 |
| Description | 12 in Backdraft Damper / Wall Shutter, 12 1/2 in x 12 1/2 in Opening Required |
| Internal code | IMP4173331 |
| Technical specification | 12 in Backdraft Damper / Wall Shutter, 12 1/2 in x 12 1/2 in Opening Required |
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