Ventilate your bathroom without hearing a noisy fan ever again. The Panasonic Whisper Fit-Lite low-profile ceiling mount fan with lights is designed for bathrooms sixty-five to one hundred and twenty square feet so it will clear the air in small and large rooms. Rated for continuous use, these fans also feature condensor motors that aid in its quiet operation and have a power rating of 120 volts at 60 hertz. The bathroom fans are capable of using a four- or three-inch duct with an optional three-inch duct adapter included. The built-in damper prevents unwanted backdrafts while two 18-watt CFL lamps keep your bathroom illuminated. For nighttime, utilize the 4-watt nightlight to find your way. The galvanized steel housing is paint treated to prevent rusting over the years. UL listed for tub and shower enclosures, these fans are also Energy Star® efficient. The ventilation fans are easy to install, however 4" ducting is needed to complete the job and is not included. The bathroom fans ship via UPS.