Broan 6-in dia Galvanized Steel Duct Damper MD6T

Interlocked make up air dampers provide make up air when called for to keep the home comfortable by allowing the range hood to operate at optimum levels. Damper opens and closes as the range hood is turned on and off Prevents unwanted air infiltration and wasted energy Meets IRC Code requirements for make-up air with range hoods over 400 CFM See the Broan website for more information Installation Manual PDF Use and Care Manual PDF