MSR Guardian Purifier

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Sale price£335.75 Regular price£395.00


MSR Guardian Purifier  is the world’s most advanced camp trails purifier. MSR believes there is nothing else safer or easier to use for purifying the most demanding trail water sources than this Guardian Purifier.

They originally designed this purification system for use by the military. Now they have brought this highly advanced technology to the consumer market for all of us global travellers, hiking and camping enthusiasts and those looking to stock emergency kits.

They system is fast and easy to use. This pump purifier offers an added viral protection you need when traveling in developing nations and popular wilderness areas. The advanced hollow fibre 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.


  • Weight: 1 lbs 1 oz / 0.49 kg
  • Dimensions: 3 x 8.25 x 4.5 in / 8 x 21 x 11 cm
  • Effective Against Bacteria: Yes
  • Effective Against Chemicals/Toxins: No
  • Effective Against Particulate: Yes
  • Effective Against Protozoa: Yes
  • Effective Against Viruses: Yes
  • Filter Media: Advanced Hollow Fibre
  • Filter Pore Size: 0.02 microns
  • Flow: 2.5 litres per minute
  • Cartridge Life: 10,000+ litres
  • Field Cleanable: Self-Cleaning
  • Field Maintainable: Yes
  • Water Bottle Adapter: Yes
  • Cartridge Replacement Indicator: Yes
  • Material(s): Hollow Fibre

Base Camp Food are a UK reseller for MSR Tents, Tent Accessories and a wide range of MSR Camping Equipment available.

Click here to view our full MSR range that includes tents, camping stoves, cookware, hydration filters and more.

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