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| Main > Commercial |
| No. 3210-BD Conical Bellmouth w/ Damper and Therma |
| Seal Gasket - fabricated with a one piece spun aluminum |
| base and galvanized steel collar. Continuous welded |
| longitudinal seams. ¾" wide gasket flange with pre-drilled |
| screw holes for easy installation. Available diameters: 6", 8", |
| 10" & 12". Manual damper with locking handle. |
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