In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 16 in Airflow @ 0.000 in SP 3 179 cfm Airflow @ 0.125 in SP 3 061 cfm Airflow @ 0.250 in SP 2 944 cfm Airflow @ 0.375 in SP 2 812 cfm Airflow @ 0.500 in SP 2 665 cfm Airflow @ 0.750 in SP 2 301 cfm Maximum Inlet Air Temperature 160 Degrees F Shaft Diameter 1 in Bearing Type Regreasable Pillow Block