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 827 cfm Exhaust Airflow @ 0.250 in SP 758 cfm Noise Level @ 0.100 in SP @ 5 ft 1.1 sones Fan Wattage 352 W Frequency 60 Hz Full Load Current 3.16 A Housing Material Steel Motor Output Power 352 W Mounting Type Adjustable Brackets Number of Speeds 1 Overall Depth 11 5/8 in