Msr Mountain Safety Research

Guardian Purifier

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.

View Specs

Item # 02370


-Meets NSF protocol P248, testing standard used by U.S. military, for removal of viruses, bacteria, protozoa, and sediment from ``worst-case`` water conditions
-Pumps a rapid 2.5 liters per minute, offering added viral protection without the need for chemicals, bulbs, batteries, or waiting
-Pump self-cleans on every stroke, providing consistently fast flow rates with zero hassle—no backflushing or filter-scrubbing ever required
-Leading-edge hollow fiber cartridge treats up to 10,000+ liters
-Engineered to withstand heavy use, freezing, drops, and harsh environments
-Cartridge replacement indicator
-Field maintainable
-Water Bottle Adapter

-Weight: 1 lbs 1.3 oz (0.49 kg)
-Effective against bacteria
-Effective against chemicals/toxins
-Effective against particulate
-Effective against protozoa
-Effective against viruses
-Filter media: Advanced Hollow Fiber
-Filter pore size (microns): 0.02
-Flow (L/min): 2.5 liters per min
-Cartridge life: 10,000+ liters
-Field cleanable: Self-Cleaning

Note: While every effort is made to include accurate and correct images, descriptions, specifications and pricing for each product, they are shown for example only and do not necessarily represent the product in its entirety. Inadvertent errors may occur. Jay`s Sporting Goods reserves the right to modify or change product information and pricing without notice. If you have a question about an item, please call or email us for more information before ordering.



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