14 DAY TRIAL // I do believe that many of us were placed in a situation when, while going on a trip, we had to drink some water whose cleanness and lack of germs we couldn't guarantee. And because many people are quite careful with their drinking water, the SteriPEN, a device that uses ultraviolet rays for purifying drinking liquids, has been created.
UV light has been used by water treatment plants and hospitals for over 50 years to eliminate dangerous bacteria, viruses and protozoa without chemicals or boiling. Now, thanks to the miniaturization of modern microelectronics, this same proved technology is available in a hand-held purifier that's compatible with most water bottles, and is perfect for travelers in restaurants, hotel rooms or on the road. SteriPEN doesn't require any special techniques in order to be used, and all its owner must do is put it in a recipient (either a glass or a bottle), and stir for less than a minute. The only major problem is that the device cannot disinfect more than 500 grams of liquid once, which means it must be used over and over again.
SteriPEN is relatively small (19.05 cm x 3.81 cm x 3.81 cm), weighs just 226 grams and works with 4 AA batteries. It's quite expensive (around 150 dollars), but this seems to be a relatively fair price for the possibility of having clean drinking water anytime, anyplace.
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