Ventilation Fan Discharge Direction Horizontal and Vertical Duct Diameter 4 in Duct Shape Round Housing Finish Galvanized Housing Material Steel Heater Without Heater Includes Cleancover(TM) Grille Ezduct Connector Room Side Installation/Ceiling Or Wall Install Snapfit Flange Kit Mounting Location Ceiling Exhaust Airflow @ 0.100 in SP 110 cfm Maximum Noise Level 1 sones Noise Level @ 0.100 in SP @ 5 ft 1 sones Maximum Coverage Area 105 sq ft Number of Speeds 1