In-Line Duct Fan For Fan Type Centrifugal Duct Fan Airflow @ 0.000 in SP 6 236 cfm Duct Diameter 18 in Motor Output Power 2 330 W Motor IP Rating IP54 Nameplate Voltage 230/460V AC Phase 3 Number of Speeds 1 Overall Diameter 26 in Overall Height 27 1/4 in Overall Width 26 in Application General Purpose High-Efficiency Motor No Housing Material Galvanized Steel Motor Speed 1 700 RPM Includes Mounting Brackets Maximum Inlet Air Temperature 140 Degrees F Speed Control Included Yes