The Whisper Choice DC exhaust fan with Pick-A-Flow CFM allows you to choose your airflow, 80 or 110 CFM. Simplify the selection process and ensure optimum CFM performance while eliminating humidity, mold, mildew, and other air pollutants from the bathroom and increasing your air quality. The DC-ECM Motor technology offers reduced energy costs, long life and is environmentally friendly. In addition to bathrooms, this fan is your ventilation solution for medium-to-large sized rooms - laundry room, sunroom, basement, or garage.. Two airflow options: 80 CFM at 0.3 sones and 110 CFM at 0.5 sones. Increases air quality by eliminating humidity and air pollutants. Flex-Z bracket and mounting hardware included for installation. Air Volume (CFM): 110,80. Amperage (amps): 0.11,0.18. Color/Finish: White. Duct Compatible Sizes: 4 or 6 in. Features: Adjustable Fan Speed. Grill Shape: Square. Housing Material: Galvanized Steel. Included: Hardware. Installation Type: Ceiling. Maximum Room Size (sq. ft.): 110. Mount Type: Flush Mount. Pack Size: 1. Product Weight (lb.): 10.36 lb. Room Size: Large Room Fan. Voltage (V): 120 V. Wattage (watts): 11,6.4. Housing Length (in.): 10.25. Housing Width (in.): 10.25. Product Height (in.): 8.69 in. Product Width (in.): 13.00 in