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 784 cfm Exhaust Airflow @ 0.200 in SP 755 cfm Exhaust Airflow @ 0.250 in SP 742 cfm Noise Level @ 0.100 in SP @ 5 ft 3 sones Fan Wattage 405 W Frequency 60 Hz Full Load Current 3.77 A Housing Material Steel Motor Output Power 348 W Motor Type Permanent Split Capacitor