Click title or picture for full article. Survival Water Purification Methods of disinfecting water during an emergency situation. Water, apart from shelter, can become the most immediate need in. Sawyer Products Mini Water Filter A lifetime of water at hand Weighing 2 ounces and fitting in the palm of your hand, the Sawyer MINI Water Filter provides 0.1 micron absolute filtration — removing 99.99999% of bacteria and 99.9999% of protozoa.*…