OEM Blower, Wheel Type Forward-Curved, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 2 7/8 in, Airflow @ 0.000 in SP 222 cfm, Airflow @ 0.100 in SP 212 cfm, Airflow @ 0.200-In. SP 198 cfm, Airflow @ 0.250 in SP 187.5 cfm, Maximum Static Pressure 3/4 in wc, Maximum Inlet Air Temperature 104 Degrees F, Bearing Type Ball, Wheel Material Steel, Housing Material Steel, Wheel Width 3.7 in, Number of Inlets 2, Inlet Diameter 2 1/2 in, Outlet Shape Rectangular, Outlet Height 1 5/8 in