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 120V AC Exhaust Airflow @ 0.100 in SP 699 cfm Exhaust Airflow @ 0.250 in SP 322 cfm 654 cfm Noise Level @ 0.100 in SP @ 5 ft 0.4 sones 2 sones Fan Wattage 236 W Frequency 60 Hz Full Load Current 1.08 A 3.51 A Housing Material Steel Motor Output Power 186 2/5 W Motor Type Electronically Commutated