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| Color | : | Silver |
| Duct Size | : | 7 Dia x 7-1/4 in |
| Finish | : | Galvanized |
| Gauge | : | 28 ga |
| Material | : | Steel |
| Shape | : | Round |
FAMCO™, BD7, Dampers, 7 Dia x 7-1/4 in Duct, Round Shape, 28 ga Gauge, Steel, Galvanized, Silver
- Quality constructed from heavy-duty galvanized steel: 28-22 gauge, depending on size (see more details below) with lightweight aluminum damper blades.
- Used as a backdraft damper for heat exchangers, air exhaust systems, solar heating systems and other HVAC air intake or air exhaust applications where a powered damper is not needed, this product is not rated for use with a dryer.
- Works in both horizontal or upward air flow positions and the foam seal provides minimal air leakage
- Opens easily with normal air flow and closes with gravity, due to the specially designed angled aluminum damper blades
- Foam seal provides minimal leakage