Broan QTXE080 Ultra Silent Bath Fan, 80 CFM, White Grille N/A Imported 0.3 Sones , Voltage - 120 V 80 CFM 6" ducting for superior performance ENERGY STAR Certified Motor engineered for continuous operation 80 CFM and nearly silent operation 0.3 Sones 6-Inch ducting for superior performance Motor engineered for continuous operation UL Listed for use over tub/shower with GFCI circuit Housing Dimension: 10-1/2-Inch by 11-3/8-Inch by 7-5/8-Inch - Fits 2-Inch x 8-Inch construction and Grille Dimension: 13-Inch by 14-Inch