Allegro High Output Blower measuring 20" features a 16 ga cold rolled steel housing and the 2 HP motor offers a flow rate of 7500 CFM. It offers a flow rate of 6700 cfm for one 90 deg bend and a flow rate of 6130 cfm for two 90 deg bends. Blower features a steel or zinc plated grill, 4 rubber feet and accommodates a 4-blade impeller. The interchangeable flange facilitates intake or exhaust mounting and the carry handles makes it easy to transport. It has the specifications of 21/10.5 A, 115/230 VAC.