Running water won’t always be an option. You can stock up on bottled provisions, but those aren’t easy to carry while on the run. The LifeStraw certainly is, since it weighs a mere 2 ounces. It also makes even the most disgusting water drinkable. This personal water filter requires no batteries, moving parts, or other extras. Just stick it in a puddle or stream, let it sit for 30 seconds, and start drinking.
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