OEM Blower, Wheel Type Forward-Curved, Drive Type Direct Drive, Assembly Assembled, Wheel Diameter 2 3/8 in, Airflow @ 0.000 in SP 78 cfm, Airflow @ 0.100 in SP 64 cfm, Airflow @ 0.200-In. SP 40 cfm, Airflow @ 0.250 in SP Not Applicable, Maximum Static Pressure 1/8 in wc, Maximum Inlet Air Temperature 104 Degrees F, Bearing Type Sleeve, Wheel Material Aluminum, Housing Material Aluminum, Wheel Width 4.5 in, Outlet Shape Rectangular, Outlet Height 1 in, Outlet Width 5 1/8 in