Union TD-28 Reciprocating RO Pump. 30.9 GPM, @403 RPM. 3 cylinder pump. Max working pressure 1150 PSI. Max RPM 440. Suction size 2 1/2 inch NPT, discharge 1 1/2 inch NPT. Comes with General Electric Model 5K286SL306A 20 HP 3 phase electric motor. Removed from refurbished Military 600 GPH ROWPU (water purification unit). Fan guard on motor needs to be straightened, as does pump discharge fitting.