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The MiniWorks EX microfilter is the worldwide best-selling microfilter

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Backpacker: Leave No Trace by Annette McGivney Tent Accessories The MiniWorks EX microfilter isBeyond cleaning up your trash and not cutting down trees for firewood, how far should you go to minimize your impact on wilderness lands? What is really important, and what is too extreme? Annette McGivney provides thoughtful answers based on scientific facts. She presents practical tips and techniques tailored for hikers, climbers, backcountry skiers, mountain bikers, equestrians, sea kayakers, canoeists, and rafters. And most importantly, there are