Bathroom Fan Discharge Direction Horizontal Duct Diameter 4 in Duct Shape Round Housing Material Steel Heater Without Heater Includes Duct Connector Non Metallic Damper Mounting Location Ceiling Exhaust Airflow @ 0.100 in SP 70 cfm Maximum Noise Level 2 sones Noise Level @ 0.100 in SP @ 5 ft 2 sones Maximum Coverage Area 65 sq ft Number of Speeds 1 Overall Depth 9 1/4 in Overall Height 5 3/4 in Overall Width 10 in Lighted With Light Primary Lighting Technology Incandescent