Cascadian ICS-STPK Sediment and Activated Carbon Filters with PolyHalt Salt Free Softener Cartridge Filter Replacement Kit. Image


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ICS-STPK cartridge filter replacement kit

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The ICS-STPK cartridge filter replacement kit is designed specifically for the Cascadian ICS-STP and is engineered to filter sediment, improve taste and odor, reduce VOCs and soften all the water for every use in your whole home or business. It is an excellent choice for city or well water. 

Contains two cartridge filters for three high performance treatments;

  • First treatment is a multimicron depth sediment filter to protect and clarify
  • Second treatment is an activated carbon filter
    • Improves taste and odor by filtering chlorine
    • Reduces VOCs to further improve water quality
  • Third treatment is PolyHalt® salt free softener and water conditioner
    • Produces salt free soft water using ion bond technology to prevent hard water minerals from behaving hard.
    • No need to buy, transport, store or use heavy bags of salt or potassium
    • Prevents harmful and embarrassing stains, hard to remove spots, hard scale buildup and soap scum
    • Protects and reduces problems with plumbing, fixtures and appliances from sediment, mineral and aggressive water damage
    • Prevents silica etching and pitting of glass and fixture damage
    • Makes soft water that doesn't feel slimy or slippery
    • Water is safe for all uses including drinking, cooking, bathing, watering pets plants and gardens
    • Reduces amount of soaps, detergents and work needed to clean 
    • Makes hair look and feel better with less time, shampoo and conditioner
    • Makes clothes last longer and be whiter, brighter and softer longer

      Guides and Manuals:


      Warning in the State of California; State of California Prop 65 Warning WARNING: Cancer and Reproductive Harm

      Customer Reviews

      Based on 17 reviews
      Mark Lytle

      I wish there was a scientific way to test whether you need to change your filters. Shaking a bottle of water with a drop of soap In it , is silly. I haven’t tested the water quality at a lab . Any suggestions on where to have the water tested?

      Hi Mark, we agree it would be nice to have a easy test. We have found in over 97% of applications changing your filter every 12 months works very well.

      Joseph Norberg

      A quick supply of needed replacement filters. Everything back to normal. Thanks

      Kay Johnson

      so far they have done what was expected and given us a good water supply.
      need to change them twice a year because of our ground here.

      Cascading Water filter

      We have a cascading water filter system and replace the filters once a year. The first filter catches the majority of the sediment entering the house. When we change it out the first filter looks chocolate brown and the second filter looks cream colored. They start out white! The taste of the water is great and odor free. I am happy with this product.

      Josh Blanchard
      It's breaking up all the build up in my heater!!

      It's going great working I have had to flush my heater several times because it's breaking up all the build up in my heater!!