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)