Bathroom Fan Discharge Direction Horizontal Duct Diameter 3 in Duct Shape Round Housing Finish Galvanized Housing Material Steel Heater Without Heater Includes Mounting Brackets Duct Connector Round Damper Mounting Location Ceiling Wall Exhaust Airflow @ 0.100 in SP 70 cfm Maximum Noise Level 6 sones Noise Level @ 0.100 in SP @ 5 ft 6 sones Maximum Coverage Area 65 sq ft Number of Speeds Variable Overall Depth 7 1/2 in Overall Height 3 5/8 in Overall Width 7 1/2 in