MSR Guardian Replacement cartridge

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*This product can only be shipped within Canada

Replace the purifier cartridge on your MSR Guardian Filter, or just carry one as a back up.

  • Removes viruses, bacteria, and protozoa.
  • Comes with clean side cover.
  • Hollow fiber filter removing bacteria and protozoa.
  • Note: the quality of water will significantly affect the filter's 10000 liter life.