MSR Guardian Purifier Baselayer The Outdoor series was designed

The Outdoor series was designed for running and hiking on rugged trails in unpredictable weather

and easy regrinding

Two different size pot supports

The tried-and-tested SYNMAT TECHNOLOGY™ inside is made from recycled Texpedloft and is welded to the top and bottom of the air chambers

MSR Guardian Purifier Baselayer The Outdoor series was designedNothing 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