Guardian Purifier Pump Color:GREY Old fine grained snow -1°C

Old fine grained snow -1°C to -3°C (30°F to 27°F)

fatigue-relieving arch support

• Lace cover: PVC

21% TENCEL™ Lyocell

Their semi-rimless design and oversize cylindrical lens yield a wide field of view backed up by sharp optics and our best anti-fog tech

Guardian Purifier Pump Color:GREY Old fine grained snow -1°CNothing is safer or easier to use for purifying the most demanding backcountry water sources than MSR's 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