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A truly advanced portable purifier.

MSR Guardian Water Purifier

Item # WX2-660396

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$314.99
Club 4-Pay$78.75
Non-Member $349.99
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  • Buyer's Club
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    $314.99
    Club 4-Pay$78.75
    Non-Member $349.99

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Details & Specs

The MSR® GuardianTM Water Purifier turns mud puddles into clean, safe drinking water. Literally. With military-grade engineering and game-changing technology, the GuardianTM Purifier is simply the safest, easiest way to purify water virtually anywhere on earth. It's easy to use. It's totally portable and packable. It's built to withstand harsh conditions. It cleans itself. And it works. Every time.

What makes the Guardian so effective? Game-changing Hollow Fiber Technology.

Unlike most other water filters on the market, the Guardian actually protects against viruses, the tiniest waterborne microbiological threats. How? The world-renowned MSR® water research lab spent six years of extensive R&D, engineering and funding developing state-of-the-art medical-grade Hollow Fiber Technology that blocks viruses, plus removes bacteria, protozoa and particulates. And the revolutionary fibers can't be damaged by freezing or impact.

Easy to use. Plus…it cleans itself!

The Guardian filters directly into your water bottle, which means no annoying extra hoses. Plus, on every stroke, the purifier uses 10% of its water to flush remaining filter contaminants back into the source water. This means you'll never hassle with back-flushing or scrubbing cartridges to maintain its fast flow.

And the flow is, well, FAST. It purifies up to 2.5 liters per minute. Plus, it's built to last the long haul, treating up to 10,000 liters. So no matter how far you venture, how high you climb or how long a natural disaster contaminates your drinking water, the Guardian will be ready for action.

  • In one easy step, it removes: Viruses, including Norovirus / Norwalk, Rotavirus and Hepatitis A; Bacteria, including E. Coli, Shigella, Salmonella, and Cholera; Protozoa, including Giardia, Cryptosporidium and Amoebae; Particulates, including Sediment, Silt and Dirt
  • Does not require chemicals, prefiltering, bulbs or batteries
  • Meets U.S. Military testing standard NSF Protocol P248 for ease of operation and ultimate performance levels
  • Rugged construction withstands temps down to 0°F and drop testing from 6' to concrete floor
  • Rapid action purifies 2.5 liters in just 60 seconds, so you can refill fast and get back on the trail
  • Designed for long-life... treats up to 10,000 liters, which is the equivalent of 10 years worth of filtering 16 liters of water a day for 60 days
  • Compact size stores easily in luggage, duffels and day packs
  • Approx. 8"h.
  • Weighs just 17 oz.

Trust your adventures to this backcountry purifier! Order yours today!

Key Specifications
  • Item Number: 660396
  • Dimensions: 3.5" x 9"h.
  • Weight: 17 oz.
  • Speed: Filters 2.5 liters in just 60 seconds
  • Life span: 10,000 liters
  • Mfg. Number: 2370
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