In-Line Duct Fan, For Fan Type Centrifugal Duct Fan, Airflow @ 0.000 in SP 940 cfm, Duct Diameter 12 in, Motor Output Power 300 W, Motor IP Rating IP44, Nameplate Voltage 120V AC, Phase 1, Number of Speeds 1, Overall Diameter 16 in, Overall Height 18 in, Overall Width 8 1/8 in, Application General Purpose, High-Efficiency Motor No, Housing Material Galvanized Steel, Motor Speed 3,250 RPM, Includes Mounting Bracket, Maximum Inlet Air Temperature 140 Degrees F, Speed Control Included No