Emergency Zone  Personal Water Filter Straw (Pack of 2)
With a blend of microscopic carbon, binder and particles, the filter will remove more than 99.9 percent of cryptosporidium and Giardia, and even improves the taste of the water. Easy to operate, simply attach the straw to the filter unit, place the filter in the water source and dring through the straw. Note although the filter does reduce bacteria and viruses, it is not certified to remove more than 99.99 percent required by the US EPA water purifier standard. for maximum protection, use in conjunction with water treatment drops or tablets.