Bathroom Fan Discharge Direction Horizontal Duct Diameter 4 in Duct Shape Round Housing Material Steel Heater Without Heater Includes Instrucciones de Instalaci n Mounting Location Ceiling Exhaust Airflow @ 0.100 in SP 110 cfm Maximum Noise Level 0.8 sones Noise Level @ 0.100 in SP @ 5 ft 0.6 sones Maximum Coverage Area 105 sq ft Number of Speeds 1 Overall Depth 10 1/2 in Overall Height 7 5/8 in Overall Width 11 3/8 in Lighted Without Light Phase 1