Bathroom Fan, Discharge Direction Horizontal, Duct Diameter 4 in, Duct Shape Round, Housing Finish Galvanized, Housing Material Steel, Heater Without Heater, Includes Duct Connector With Damper, Mounting Ears To Attach To Ceiling Joist, Mounting Location Ceiling, Exhaust Airflow @ 0.100 in SP 100 cfm, Maximum Noise Level 5 sones, Noise Level @ 0.100 in SP @ 5 ft 5 sones, Maximum Coverage Area 90 sq ft, Number of Speeds 1, Overall Depth 9 in, Overall Height 6 in, Overall Width 9 in