Broan QTXE150 Energy Star Qualified Fan, 150 CFM 1.4 Sones Nearly silent operation 1.4 Sones Air Flow: 150 CFM 6" Ducting Size Energy Star qualified, Title 24 Compliant Motor engineered for continuous operation 150 CFM 1.4 Sones - nearly silent Energy Star qualified White Grille Fits in 2-inch by 8-Inch construction and 6-Inch ducting for superior performance UL listed for use over bathtubs and showers when connected to a GFCI circuit