In-Line Ceiling Exhaust Fan Discharge Direction Horizontal/Vertical Duct Diameter Not Applicable Duct Height 8 in Duct Width 10 in Duct Shape Rectangular Nameplate Voltage 115V AC Exhaust Airflow @ 0.100 in SP 698 cfm Exhaust Airflow @ 0.200 in SP 658 cfm Exhaust Airflow @ 0.250 in SP 635 cfm Noise Level @ 0.100 in SP @ 5 ft 2.5 sones Fan Wattage 325 W Frequency 60 Hz Full Load Current 4.4 A Housing Material Steel Motor Output Power 122 2/5 W Motor Type Shaded Pole