Make-Up Air Damper, Damper Only, 6" - 10" Available
Operates in conjunction with the use of your ventilation fan or range hood
24 Gauge Galvanized Steel
(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-472: 10" to 8" Duct Reducer with Damper
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.