Broan QTR110L Ultra Silent Bath Fan, 110 CFM, White Grille 4-Inch Ducting Size 110 CFM and nearly silent operation 1.5 Sones 4-Inch ducting Motor engineered for continuous operation UL Listed for use over tub/shower with GFCI circuit Bright 100-Watt incandescent and lighting 4-Watt nightlight - bulbs sold separately