WhisperFit® DC is the perfect solution for any remodeler looking to quickly and easily replace an existing fan from below the ceiling. Low profile WhisperFit® DC fans are an affordable choice for delivering quiet, energy efficient and effective exhaust ventilation for the many bathrooms in your home. Ideal for residential remodeling and hotel new construction or renovation, these fans fit where you need to put them. Panasonic WhisperFit® DC Ventilation Fan, 50/80/110 cfm Flow Rate, 3 or 4 in Diameter Duct, 120 V, 0.29 A Current/Amps, 60 Hz Frequency, 10/13.2/17.9 W, 4.6/8.8/17.1 W Wattage Consumption, 0.8/1.2 sones Sones, 13 in Grille Length, 13 in Grille Width, Polypropylene Grille, 10-1/4 in Housing Length, 10-1/4 in Housing Width, 5-5/8 in Housing Height, 26 ga Galvanized Steel Housing Material, Ceiling Mounting, No Humidity Sensing, Import