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MSR (Cascade Designs) Guardian Purifier Cartridge Replacement

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The Guardian Purifier Replacement helps removes viruses, bacteria, protozoa, and particulates, like dirt and sediment all while restoring the flow rate of your Guardian Purifier. 


  • Weight: 6 oz
  • Width: 2.75 in
  • Length: 5.75 in
  • Height: 2.75 in
  • Filter Media: Hollow Fiber
  • Self- Cleaning