Bathroom Fan, Discharge Direction Horizontal, Duct Diameter 6 in, Duct Shape Round, Housing Finish Galvanized, Housing Material Steel, Heater Without Heater, Includes Expandable Mounting Frame, Mounting Location Ceiling, Exhaust Airflow @ 0.100 in SP 110 cfm, Maximum Noise Level 0.3 sones, Noise Level @ 0.100 in SP @ 5 ft 0.3 sones, Maximum Coverage Area 105 sq ft, Number of Speeds Variable, Overall Depth 10 1/2 in, Overall Height 7 5/8 in, Overall Width 11 3/8 in, Lighted Without Light, Phase 1