Make sure your home is comfortable with Broan-NuTone's QT DC Series Humidity Sensing Bathroom Ventilation Fan! This ventilation fan offers powerful airflow, with exceptional performance, and ultra-quiet sound. It operates on selectable 110, 130, or 150 CFM at <0.3, 0.4, 0.7 Sones to ensure a high-quality, quiet performance in rooms over 105 sq. ft. Humidity sensing capabilities help to properly ventilate your room and the user adjustable time delay module lets you control when to turn on and off based on when the set point is reached. The DC motor provides peak performance, energy efficiency and motor durability and is engineered for continuous operation. This ventilation fan is Energy Star certified for an environmentally- and economically-friendly option for your home. 6" round duct connector and hanger bars are included to position housing anywhere on center joists making installation an easy process. UL listed for use over bathtubs and showers when connected to a GFCI protected branch circuit. Housing dimensions measure 10.5" x 11.375" x 7.625". This item is backed by a 3 year limited warranty for your convenience. Broan leads the industry with forward-thinking residential ventilation products, customized climate, communications and home automation solutions along with award winning customer service. Broan's inspiring heritage provides the foundation for its three global brands – Broan, NuTone and BEST.