In-Line Duct Fan For Fan Type Centrifugal Duct Fan Airflow @ 0.000 in SP 1 305 cfm Duct Diameter 12 in Motor Output Power 484 W Motor IP Rating None Nameplate Voltage 120V AC Phase 1 Number of Speeds 1 Overall Height 14 in Overall Width 12 1/2 in High-Efficiency Motor No Housing Material Galvanized Steel Includes Mounting Plate Vent Riser Maximum Inlet Air Temperature 140 Degrees F Bearing Type Ball Bearing