A standard fan that provides a basic level of ventilation for small to average sized bathrooms or powder rooms, it solves one more problem on your to-do list. Double-strength steel mounting flanges with keyhole slots for fast installation is a plus. 70 CFM at 4.0 Sones reduces humidity or odors in bathrooms up to 65 sq-ft to help make your surroundings more comfortable. UL Listed for use over tub or shower with a GFCI circuit so you can control ventilation by locating your fan exactly where you need it the most. Available in project packs to support building project.