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10-Inch Round Damper for Range Hoods and Bath Ventilation Fans

Model Number: 421

Maximize the air and sound performance of your Broan® ventilation fan or range hood using one of our wide variety of ducting accessories.


  • 10" round vertical discharge in-line damper operates in conjunction with the use of your ventilation fan or range hood
  • Damper is made of 24 gauge galvanized steel construction for durability and long life

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