Bathroom ceiling fan. Air flow of 50 CFM. Noise level: 2,5 sones.* For bathrooms up to 45 ft². Permanently lubricated motor. Galvanized steel casing. Duct connector: 3 in. Suited for ceilings built using 2 in. x 4 in. beams (or more). cUL and UL listed for use over bathtub or shower when connected to a ground-fault circuit interruptor (GFCI). White plastic grille.
*A sone is a noise measuring unit perceived by the human ear, based on laboratory measurements. Lower number = quieter.