In-Line Ceiling Exhaust Fan Discharge Direction Horizontal/Vertical Duct Diameter Not Applicable Duct Height 8 in Duct Width 8 in Duct Shape Square Nameplate Voltage 115V AC Exhaust Airflow @ 0.100 in SP 231 cfm Exhaust Airflow @ 0.200 in SP 212 cfm Exhaust Airflow @ 0.250 in SP 203 cfm Noise Level @ 0.100 in SP @ 5 ft 0.4 sones Fan Wattage 49 W Frequency 60 Hz Full Load Current 0.45 A Housing Material Steel Motor Output Power 16 2/5 W Motor Type Shaded Pole