Behind the Guardian Purifier’s Technology & Design


Your Trusted SourceMSR engineers designed the new Guardian purifier to be the safest and easiest way to purify water virtually anywhere on earth. Achieving such a high degree of performance required advancements in technologies, and a great deal of engineering ingenuity. After six years of R&D, with expertise provided by our water research lab, the result became the world’s most advanced backcountry water treatment device. The Guardian purifier is able to transform even very challenging water so

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Plane camping on the Kenai

Story and photos by Holly Walker “There’s a lot of air up here!”, I exclaimed, the seemingly endless Capps Glacier and everything beyond it making me as excited as a little schoolgirl. The Anchorage mountaineers stared at me as I sat in their kitchen tent and I realized how silly I must have sounded. I was comparing Alaska to the Lower 48 and was enjoying the lack of cars, busy roads and crammed airspace. My pilot friend Jake Soplando and I had just landed on the Capps Glacier in the Tordrillo Range in his personal Piper Super Cub airplane. Moments ago we were soaring above the snow as it sparkled in the alpenglow, watching the enormous peaks and hundreds of crevasses light up with a soft pink hue. “Jake, what are…

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