Used- Blackmer System One Centrifugal Pumps, Model FRM, Stainless Steel. Size 8 X 10-13, approximate 4200 gallons per minute at 110' head at 275 psi at 100 degrees F. Driven by a 100 HP, 3/60/230/460 volt, 1775 rpm motor. Housing 316 stainless steel, internals (impellar) CD4MCU duplex stainless steel. Serial#1108450FM.