Allegro High Output Axial Blower measuring 16" features a rugged metal housing and the 2 HP motor offers a flow rate of 5500 CFM. It offers a flow rate of 4950 cfm for one 90 deg bend and a flow rate of 4400 cfm for two 90 deg bends. Blower accommodates a 3 blade impeller and contains a 30 A plug. It is ideal for applications needing maximum amount of output and has specifications of 21/10.5 A and 115/230 VAC.