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Round Motrzd Fire/Smoke Damper 17.9 in dia For Nominal Duct Diameter 18 in Damper Application Fire and Smoke Number of Panels 1 Overall Height 17 7/8 in Overall Length 16 in Rough Opening Shape Round For Duct Shape Round Overall Width 15 5/8 in Frame Material Thickness 20 ga Blade Material Galvanized Steel Maximum Air Pressure 4 in wg Overall Diameter 17 7/8 in Rough Opening Width 18 in Damper Type Dynamic Maximum Air Velocity 3000 fpm Nameplate Voltage 120V AC
Mfr 3HGN1
| Item Reference | 3HGN1 |
|---|---|
| Brand | DAYTON |
| Weight (lb) | 33.86 |
| Length (in) | 27 |
| Width (in) | 19 |
| Height (in) | 20.5 |
| Harmonization Code | 8481809020 |
| Country of Origin | United States |