The Best...

By Jeff Sacks Ranked #133 - Trail Running Hydration December 2, 2010

This is the best water purifier on the marker. I bit heavy, but well worth the extra OZ's. You will get a lot more life out of your cartridge if you backwash it now and then. But if your winter backpacking make sure it's not below freezing temp, or it will ice up in the filter and not work. I'll keep it inside my coat for an hour before using to keep this from happening.

View Details: First Need XL Water Purifier

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