Panasonic FV-11VQL4 WhisperLite 110 CFM Ceiling Mounted Fan/Light Combination Motor/Blower: Power Rating of 120 volts and 60 Hz Motor/Blower: Motor equipped with thermal-cutoff fuse Housing: Detachable 4-Inch diameter duct adapter Grille: Attaches directly to housing with torsion springs Light: Equipped with a high efficiency electron ballast