Backpackers and hikers tend to take water filtration for granted: for $18, you can buy a straw-style filter that weighs less than two ounces, is small enough to stick in your pocket, and will provide ...
December 10, 2007 The Vario from Swiss water purification specialists Katadyn provides a versatile solution to the age old problem of avoiding stomach bugs while on the trail. Capable of producing up ...
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