Panasonic FV-08VQ3 WhisperCeiling 80 CFM Ceiling Mounted Fan Motor/Blower: Power Rating of 120 volts and 60 Hz Motor/Blower: Motor equipped with thermal-cutoff fuse Housing: Rust proof paint, galvanized steel body. Housing: Detachable 4-Inch diameter duct adapter Grille: Attached directly to housing with torsion springs