MSR Guardian™ Purifier tshirt YKK® front zip

YKK® front zip

hard-anodized 8-inch (20-cm) aluminum skillet

Made for the great outdoors

all-day comfort

With its 7-strand construction

MSR Guardian™ Purifier tshirt YKK® front zipNothing 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