MSR Guardian Gravity Purifier


$419.95 CAD

  • Using the advanced technologies of MSR's original Guardian purifier, this gravity-powered sibling has you covered with safe water around the world—from your local backcountry to remote villages. Hang it while you go about your tasks at the hostel, basecamp or campsite. Its 10 L reservoir supports the daily water needs of multiple people. Originally designed to protect service members in the field, this rugged purifier handles the abuse of travel and meets the NSF P248 military testing standard.

    Ships to Canada Only
    • Ultimate Viral Protection: 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.
    • Better-Tasting Water: Two-stage purifier includes activated carbon to reduce chemicals and unpleasant tastes and odors.
    • Easy to Fill: 10 liter reservoir is easy to fill at sinks and streams alike; covers daily water needs for drinking, cooking and hygiene.
    • Simple Cleaning: No backflushing required—simply opening the purge hose flushes the system to clean it and maintain flow.
    • High-Flow: Leading-edge cartridge creates a fast virus-stopping gravity system—up to 1 liter in 2 minutes.
    • Engineered for Travel: Rugged, military-grade construction. Compact system fits easily in carry-on luggage and smaller packs.
    • *Meets U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers
  • Weight 1 lbs 3 oz / 0.53 kg
    Width 4 in / 10 cm
    Length 12 in / 30 cm
    Height 4 in / 10 cm
    Volume 10L
    Effective against bacteria Yes
    Effective against particulate Yes
    Effective against protozoa Yes
    Effective against viruses Yes
    Effective against chemicals/toxins No
    Filter Media Advanced Hollow Fiber
    Filter pore size (microns) 0.02
    Flow (L/min) 0.5 liters per min
    Cartridge life 3000+ liters
    Field cleanable Yes
    Field maintainable Yes
    Cartridge replacement indicator yes