One o these days you must have seen one of the many methods to purify water naturally, courtsey Bear Grylls in “Man Vs Wild” or some stranded traveller in “I shouldn’t be Alive”. So, if you foresee yourself in any such situation in distant future , you must own the gadget above before starting off with the camping trip. The  SteriPEN Freedom UV Water Purifier with cost you $120. It is a highly portable UV water purifier running on an integrated battery that recharges over micro USB, and can destroy over 99.9% of bacteria, viruses, and protozoa in a standard-sized glass in just 48 seconds. As a bonus, it also features instant-on technology, and LED indicators that can double as a flashlight. Anything more pure than this would be BEER.

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