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Drink water anywhere in the world—from local backcountry to remote locales—with the MSR Guardian Gravity purifier. Hang it while you go about your tasks at the hostel, basecamp or campsite.

  • Features

    • Meets NSF protocol P248 military testing standard—removes viruses (99.99%), bacteria (99.9999%), protozoa (99.9%), sediment & microplastics from "worst-case" water conditions
    • Easy to fill at sinks and streams alike, with a 10-liter reservoir to support the daily water needs of multiple people for drinking, cooking and hygiene
    • 2-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors
    • Cartridge creates a high-flow, virus-stopping gravity system—up to 1 liter in 2 minutes
    • No backflushing required to clean—simply opening the purge hose flushes the system to clean it and maintain flow
    • Rugged, military-grade construction is engineered for travel
    • Compact system fits easily in carry-on luggage and smaller packs

    Made in USA.

    View all MSR Gravity Water Purifiers
  • Technical Specs

    Best Use

    Backpacking

    Filter Type

    Gravity

    Filter Medium

    Advanced hollow fibers

    Removes/Destroys

    Protozoa, Bacteria and Viruses

    Pump Force

    Not applicable

    Pump Strokes Per Liter

    Not applicable

    Output

    1 liters

    Housing Material

    ABS

    BPA Free

    Yes

    Field Cleanable

    Yes

    Dimensions

    12 x 4 inches

    Weight

    1 lb. 2.7 oz.

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