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 857 cfm Exhaust Airflow @ 0.250 in SP 504 cfm 803 cfm Noise Level @ 0.100 in SP @ 5 ft 0.3 sones 1 sones Fan Wattage 216 W Full Load Current 1.83 A 3.53 A Housing Material Steel Motor Output Power 216 1/4 W Motor Type Electronically Commutated Mounting Type Adjustable Brackets