MSR 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. Weight (Standard):1 lbs 1 oz Weight (Metric): 0.49 kg Width (Standard): 3 in Length (Standard): 8.25 in Height (Standard): 4.5 in 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 Fiber Filter pore size (microns): 0.02 Flow (L/min): 2.5 liters per min Cartridge life: 10,000+ liters Field cleanable: Self-Cleaning Field maintainable: Yes Water Bottle Adapter: Yes Cartridge replacement indicator: Yes Material(s): Hollow Fiber Country of Origin: Made in the U.S.A. of U.S. and Imported Materials