Filters and Purifiers


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Gear That Will Save Your Life

The outdoors can be deadly if you're unprepared. But these gear items will help you make it home alive—even if everything else goes wrong.

Joe Jackson
Aug 13, 2013

Kor’s slick Nava filter can process about 40 gallons, or 220 refills before requiring replacement

Berne Broudy
May 2, 2013

Of the dozens of poles, stoves, multitools, and other essentials we tested this year, we kept reaching for these six, from the Brunton Get-Back GPS, which stores up to three waypoints and steers you to the trailhead, to MSR SureLock TR-3s, which, at 20 ounces a pair, aren't ultralight, but they are quite sturdy and strong.

Sam Moulton
Jun 1, 2012

These six gadgets, from the AT&T Pantech Element, a waterproof, Android-based 8.3-inch tablet, to the Mophie Juice Pack Outdoor Edition, which doubles the battery life of your iPhone 4 or 4S, to the Steripen Freedom, a tiny water purifier, won't revolutionize your life on the road. But we promise they'll make it a lot easier.

Will Palmer
Jun 1, 2012

What is the best method, gear, and brand for water purification in the backcountry. Would you recommend a water filter, a pump, or something like Steripen, or just water purification tablets or even a mixture of both? Nick Bangor, ME

Doug Gantenbein
Apr 6, 2011