WhisperWarm DC 50-80-110 CFM Ceiling Bathroom Exhaust Fan with HeaterMaximize comfort and minimize moisture in your bathroom with the Panasonic WhisperWarm DC Exhaust Fan. Featuring a powerful 50 80 110 CFM airflow and a built in heater, this fan efficiently removes humidity while providing a warm and cozy bathroom environment. Enjoy a relaxing and healthy bathroom experience every time. Dimensions Housing Length (in.) 16 Housing Width (in.) 12 Product Height (in.) 7. 5 Product Length (in.) 18. 25 Product Width (in.)