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MSR Guardian Gravity Water Purifier
  • Water Treatment
  • Msr

MSR Guardian Gravity Water Purifier

Retailing for $249.95, the Guardian Gravity purifier pairs a 10-liter reservoir with MSR’s Hollow Fiber Advanced purifier that meets NSF P248 to remove viruses, bacteria, and protozoa at up to 2.5 liters per minute for group backcountry travel.

At a glance

  • BrandMsr
  • CategoryWater Treatment
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Updated Oct 11, 2025