There's no substitute for safe drinking water. The LIFESAVER LSJC10 Jerrycan 10000 uses patented fail safe technology that brings you bacteria, fungi, parasite, virus, and cyst free drinking water. Drink water from ANY source without a second thought. This unit is built like a tank and can produce enough water to satisfy a small army. You'll never have a shortage of safe water with the Jerrycan 10000 by your side.