Blower, Drive Type Direct Drive, Includes Drive Package Yes, Assembly Unassembled, Wheel Diameter 2 1/2 in, Airflow @ 0.000 in SP 215 cfm, Airflow @ 0.100 in SP 196 cfm, Airflow @ 0.200-In. SP 70 cfm, Airflow @ 0.250 in SP 70 cfm, Maximum Static Pressure 1/8 in wc, Bearing Type Sleeve, Wheel Material Aluminum, Housing Material Steel, Wheel Width 13 in, Number of Inlets 1, Inlet Diameter 2 5/8 in, Outlet Shape Rectangular, Outlet Height 1 5/8 in, Outlet Width 14 3/4 in, Flange Type Flanged