The Broan QTXEN110 bathroom ventilation fan combines power with extremely low operating volume and is effective in bathrooms of up to 100 square feet. At 110 CFM and 0.7 sones, this fan works efficiently and quietly. The QTXEN110 comes standard with an attractive, new low-profile grille style, and the built in lighting fixture utilizes a 36 watt GU24 fluorescent light (2-18 watt bulbs included), along with a 4 watt nightlight (bulb not included). This bathroom ventilation fan is ENERGY STAR qualified, UL listed for use over tub/shower with GFCI circuit, and the motor is engineered for continuous operation. The Broan QTXEN110 features 6" ducting for superior performance, hanger bars for easy, fast, and universal installation in all types of construction, and can be used to comply with ASHRAE 62.2 and CALGreen.