The MSR AutoFlow Gravity Microfilter is a lightweight water filter for safe drinking water in the backcountry. Whether you're on your own or in a small group, this makes filtering water simple. Just fill up the dirty reservoir from the source, hook up the hollow fiber filter and appropriate hoses and place the clean bottle on the ground below. You and your friend(s) can go about setting up the rest of camp and when you return, voila! Clean water to drink. Packs up nice once it's off to the next camp.
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