Pure water anywhere, no compromises Built for demanding expeditions and remote travel, the MSR Guardian Water Purifier delivers advanced protection in challenging environments. Designed to be one of the safest and easiest ways to purify water anywhere on earth, it uses advanced hollow fibre technology that meets US Military standards for the removal of viruses, protozoa, bacteria and sediment from even heavily contaminated sources. With a fast flow rate of 2.5 litres per minute, the Guardian Purifier operates without chemicals, bulbs or batteries, making it well suited to hiking, camping and international adventures. Its patent pending self cleaning system works with every stroke, eliminating the need for backflushing or scrubbing in the field. Engineered to withstand heavy use, freezing conditions and extreme environments, this impact resistant purifier is built for serious outdoor reliability. Features Advanced hollow fibre technology meeting US Military standards for virus, protozoa, bacteria and sediment removal Purifies at 2.5 litres per minute Operates without chemicals, bulbs or batteries Self cleaning system cleans with every stroke Eliminates need for backflushing or scrubbing Designed to withstand heavy use, freezing and extreme environments Impact resistant construction Cartridge life up to 10,000+ litres Specifications Claimed Weight: 490 g
