Water Purifier Replacement Filter

214.95 CAD

The MSR Guardian Gravity Water Purifier Replacement Filter restores flow rates to your Guardian Gravity Purifier System and delivers peace of mind when stored as a back-up cartridge with your system, assuring zero downtime.



  • Meets NSF protocol P248 military testing standard for removing viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment and microplastics from “worst-case” water conditions
  • Groundbreaking hollow fiber technology for fast, anti-virus water purification
  • Two-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors