Fan/Architectural Grille, 50/80/110 CFM Panasonic, FV-0511VKS3S, Ventilation Fan, Series: WhisperGreen® Select, 30/110 cfm Flow Rate, 4, 6 in Diameter Duct, 120 V, 0.37 A, 60 Hz Frequency, 2.8/5.1/9.9 W Power, 13 in Grille Length, 13 in Grille Width, Plastic Grille, 10.25 in Housing Length, 10.25 in Housing Width, Galvanized Steel Housing Material, Ceiling Mounting, No Humidity Sensing, White, Import