Cat no. 500 bi-swcb-2613-15. Ccw ub orientation. Carbon steel housing. 19.68" carbon steel impeller. 16.73 bhp. 2872 fan rpm. Belt and shaft guards. Access door and drain. 15 HP Westinghouse motor. 230/460 v. 3 phase. 60 hz. 22" I.D. Intake. Outlet dimensions: 22-3/16" x 14-7/8".