Easily portable and extremely effective, the XLE makes it simple to drink otherwise unsuitable water. Submerge the purifier in water, press the double-action field pump a few times, and fresh, fast-flowing filtered water starts to rise through the hose. When your bottled supply runs out, you'll be glad to have it. [$118; generalecology.com]
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56 Perfect Things
Tech, Tools, Toys, & the Hottest New Gear
Plus: The Deadly Thrill of BASE Jumping
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