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Back Draft Damper 12″


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SKU: 77117


Back Draft Damper 12″

Galvanized Back Draft Dampers feature a lightweight aluminum blade, which is spring loaded for positive closure. Designed to allow airflow in one direction and prevent reverse airflow. They can be used as exhaust or intake dampers. These are round back draft dampers. These models can be mounted horizontally for vertical and are rated for velocities up to 2000 ft/min. (10.2 m/s) and pressure up to 3 in. wg (0.75)


– Built for heavy duty installations
– Spring loaded for positive closure
– Requires minimal pressure to operate
– Perimeter gasket ensures the best seal
– Available in FIVE convenient sizes from 4″ to 12″

Grower’s Tip:

Use as another line of defense against odor control, will NOT allow contaminated air to escape from the area unfiltered.


1 Year

Additional information

Weight 1.27 kg
Dimensions 31.50 × 31.50 × 13.97 cm


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