Bathroom Fan Discharge Direction Vertical Duct Diameter 4 in Duct Shape Round Housing Material Zinc Aluminum Magnesium Heater Without Heater Mounting Location Ceiling Exhaust Airflow @ 0.100 in SP 110 cfm Maximum Noise Level 0.9 sones Noise Level @ 0.100 in SP @ 5 ft 0.3 sones Number of Speeds 1 Overall Depth 10 1/4 in Overall Height 7 3/8 in Overall Width 10 1/4 in Lighted Without Light Phase 1