Classic 3 Water Purifier w/Pre Filter

SteriPEN Classic 3 is all that is needed when camping, hiking, backpacking or traveling. Classic 3 purifies water using ultraviolet UV light. Whether your source is a clear running brook or a hotel tap, Classic 3 destroys viruses, bacteria and protozoa, including Giardia and Cryptosporidium in seconds. To purify 32 oz of water, the SteriPEN only takes 90 seconds!The 40x40 micron screen Pre Filter fits perfectly on wide mouth one liter water bottles and removes particulates that can get in the way of UV light in water. The Pre Filter is designed to be stored directly on a wide mouth bottle and the SteriPEN Classic 3 fits perfectly in the filter. Just insert Classic 3 in the filter opening, turn the bottle upside down, and gently rock to circulate light throughout bottle.