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Pentek - WS-20 - 20" x 2.5" Water Softening Resin Filter

Product Code 155320-43

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WS Series cartridges provide softened water in a convenient cartridge-style design.

These cation exchange softening cartridges utilize a bed of sodium form cation resin beads to reduce hardness and scale deposits.

The convenient and space-saving design of our WS Series cartridges means that softened water can be provided easily and cost effectively at the exact point of need.


  • Filter Media Standard Softener Resin
  • End Caps Polypropylene
  • Shell Polypropylene
  • Pre-filter Polypropylene
  • Post-filter Polypropylene
  • Gaskets Buna
  • Temperature Rating40F to 100F