MSR Guardian Water Purifier

The MSRA(R) Guardian Water Purifier turns mud puddles into clean, safe drinking water. Literally. With military-grade engineering and game-changing technology, the Guardian Purifier is simply the safest, easiest way to purify water virtually anywhere on earth. It's easy to use. It's totally portable and packable. It's built to withstand harsh conditions. It cleans itself. And it works. Every time. What makes the Guardian so effective? Game-changing Hollow Fiber Technology. Unlike most other wate