Atmosphere’s all new galvanized steel backdraft dampers fit directly into the duct, simplifying installation. They feature a shaft for each of the two flaps, which prevents jamming. Also, the flaps close onto a perimeter gasket, ensuring the best air seal and quiet operation.
Atmosphere Backdraft Damper, 4″
Out of stock
SKU: VTBDD4 Category: Ventilation
|Dimensions||5 × 5 × 3 in|
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