The Series CS by Parker/Burks are designed to handle clear water and many other non-abrasive, lower viscosity liquids on high pressure, low capacity applications with the greatest efficiency. This is the only turbine pump with "Life Lok ®" External Impeller Adjustment feature that allows adjustment of impeller without disturbing piping, disassembling pump or replacing parts. This pump gives up to 40% longer service life than turbine pumps of other designs. The series CS pump is available in Bronze fitted, all Bronze or Stainless Steel materials.