Bathroom Fan Discharge Direction Horizontal and Vertical Duct Diameter 4 in Duct Shape Oval Housing Material Steel Heater Without Heater Includes Light Mounting Location Ceiling Wall Exhaust Airflow @ 0.100 in SP 110 cfm Maximum Noise Level 1.3 sones Noise Level @ 0.100 in SP @ 5 ft 0.9 sones Number of Speeds 3 Overall Depth 10 1/4 in Overall Height 3 3/8 in Overall Width 10 1/4 in Lighted With Light Primary Lighting Technology LED Primary Light Wattage 10 W Phase 1