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Broan Ducting and Installation Accessories: In-Line Damper

7" Vertical Damper
7" Damper
Broan 7" Round Vertical Discharge Damper with Sound Dampening Foam
7" Vertical Damper w/ Foam
10" Damper
10" Damper
10" to 8" Duct Reducer with Damper
10" to 8" Duct Reducer with Damper
8" Damper
8" Damper
$10.45 - $44.66
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Product Reviews

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  • In-Line Damper
  • Operates in conjunction with the use of your ventilation fan or range hood
  • 24 Gauge Galvanized Steel
  • Not returnable


These ducting accessories are for use when installing a range hood or a bathroom exhaust fan. The dampers are available in a several sizes and configurations to accommodate most ducting requirements. The ducting accessories are made of 24 gauge galvanized steel and are not returnable.


(W = side to side) (D = front to back) (H = top to bottom)

BR-421: 10" Vertical Discharge In-Line Damper, 10" D x 1" H
BR-438: 8" Horizontal/ Vertical Discharge In-Line Damper
BR-BP87/BR-BP87Q: 7" Vertical Discharge Damper
BR-472: 10" to 8" Duct Reducer with Damper
Ship Method:

    Ships via UPS/FedEx Ground

More from Broan Elite Collection:
Product Reviews:
great fan, great price
by: Lowell     from: Orofino, Id      on: April 22, 2009
 This fan works great. It is 200% better that the one that I replaced. The order was handled quickly, and arrived faster than expected. No Problems!!


    This item(s) is also sometimes listed under the following manufacturer numbers:

    438, 472, 421, BP87, BP87Q

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1136-1146 Stratford Avenue, Stratford, CT 06615, Tel: (203) 374-5425, Fax: (203) 373-0810, email: