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 1 689 cfm Exhaust Airflow @ 0.250 in SP 1 543 cfm Noise Level @ 0.100 in SP @ 5 ft 5 sones Fan Wattage 913 W Full Load Current 8.32 A Housing Material Steel Motor Output Power 913 W Mounting Type Adjustable Brackets Number of Speeds 1 Overall Depth 14 3/8 in