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Attention adventurists: you'll definitely want to hear about the Katadyn Pocket Water Filter. I'm glad I did, especially after watching the film '127 Hours,' which is about a mountaineer who was trapped under a boulder with limited liquid at his disposal.

Unfortunately, the Katadyn Pocket Water Filter may not have proved very helpful to him, but it could prove life-saving to you if you were ever lost in the wilderness or simply misjudged how much water you would need on a trip. By purifying one liter per minute, this purifier cleans out everything, including parasites, cholera and typhoid.