In-Line Duct Fan For Fan Type Centrifugal Duct Fan Airflow @ 0.000 in SP 232 cfm Duct Diameter 6 in Motor Output Power 70 W Motor IP Rating IP44 Nameplate Voltage 120V AC Phase 1 Number of Speeds 1 Overall Diameter 11 3/8 in Overall Height 13 7/8 in Overall Width 7 1/4 in Application General Purpose High-Efficiency Motor No Housing Material Galvanized Steel Motor Speed 2 450 RPM Includes Ceiling Grilles Mounting Bracket Grille Housings with Damper