Aero Pure SBF 110 G5S CoMCS Energy Star Qualified 110 CFM Bath Fan ENERGY STAR qualified; UL/CUL listed for use in tub/shower enclosure when used with a GFCI branch circuit wiring Air Volume: 110 CFM; Noise Level: 0.7 Sones White wall-mounted rotary dial Moisture Control Sensor with variable setting from 20-80% Relative Humidity Full Six (6) Year Warranty Fan Grille Dimensions: 11 5/6" x 11 5/6"; Fan Housing Dimensions: 9 1/2" x 9 1/2' x 8 1/2"; Sensor Dimensions: 3" x 1.25" x 4.25"