Broan 421 hoods/ventilation|accessories

Broan's 421 10 in. round damper will maximize the air and sound performance of your bath ventilation fan or range hood. It enables the proper operation of damper flaps. It also minimizes backdrafts while allowing maximum exhaust flow.10 In. Round Damper for Range Hoods and Bath Ventilation Fans|10 in. 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| broan| 10 in. round damper| round damper| damper| range hood| ventilation fans| ventilation| 421 Package Contents: damper|instructions This item cannot be shipped to APO/FPO addresses