MSR Guardian Water Purifier

MSR Guardian Water Purifier
Brand :MSR
Product Code :MSR 02370
  • $449.95


Nothing is safer or easier to use for purifying the most demanding backcountry water sources than the Guardian purifier. Originally designed for military squads, it brings this highly advanced technology to global travelers, backcountry users, and those stocking emergency kits. Fast and easy to use, this pump purifier offers the added viral protection you need when traveling in developing nations and popular wilderness areas. Its advanced hollow fiber filter offers the most reliable way to purify even filthy water conditions. Add its long-lasting performance and revolutionary self-cleaning ease, and this may be the only treatment device you’ll ever need.

  • Ultimate Protection: Meets NSF protocol P248, testing standard used by U.S. military, for removal of viruses, bacteria, protozoa, and sediment from “worst-case” water conditions.
  • Fast & Easy: Pumps a rapid 2.5 liters per minute, offering added viral protection without the need for chemicals, bulbs, batteries, or waiting. 
  • Self-Cleaning: Pump self-cleans on every stroke, providing consistently fast flow rates with zero hassle—no backflushing or filter-scrubbing ever required.
  • Long-Lasting: Leading-edge hollow fiber cartridge treats up to 10,000+ liters. 
  • Extremely Durable: Engineered to withstand heavy use, freezing, drops*, and harsh environments.

  • View specs in printer-friendly format
    Effective against protozoaYes
    Effective against bacteriaYes
    Effective against particulateYes
    Effective against chemicals/toxinsNo
    Effective against virusesYes
    Weight1 lbs 1.3 oz / 490 g
    Filter mediaAdvanced Hollow Fiber
    Filter pore size (microns)0.02
    Flow (L/min)2.5 liters per min
    Cartridge life10,000+ liters
    Field cleanableSelf-Cleaning
    Field maintainableYes
    Water Bottle AdapterYes
    Cartridge replacement indicatorYes
    Country of OriginMade in the U.S.A. of U.S. and Imported Materials

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