Duct Blower 20 In

In-Line Duct Blower Wheel Type Backward-Inclined Drive Type Belt Drive Includes Drive Package Yes Assembly Unassembled Wheel Diameter 20 in Airflow @ 0.000 in SP 6 490 cfm Airflow @ 0.125 in SP 6 350 cfm Airflow @ 0.250 in SP 6 210 cfm Airflow @ 0.375 in SP 6 070 cfm Airflow @ 0.500 in SP 5 920 cfm Airflow @ 0.750 in SP 5 597 cfm Airflow @ 1.000 in SP 5 233 cfm Airflow @ 1.250 in SP 4 836 cfm Airflow @ 1.500 in SP 4 316 cfm Maximum Static Pressure 1 1/2 in wc