6-Inch round duct connector/back draft damper. Designed to fit flush with the bottom of a cabinet or custom hood installation. Also designed to be used with Broan's "Box" or "T" design custom liners.
Improves ventilation and lighting over your stove
390 CFM and 6 sones
One-piece washable aluminum mesh filter
HeatSentry automatically turns blower to high speed when excess cooking heat is detected
Recommended for use with LB30, LB36, LT30, and LT36 liners (purchase separately)
Depth 11-1/4", Height 9-5/8" and Width 20-1/2" (inches)