It’s essential to have a way to purify water for drinking stored in your home, survival gear, camping gear and bugout bag. You have absolutely no chance of survival without a means of effectively making any water safe to drink for you and your family. Currently used by the US Military, the Rothco Military Water Purification Powder eliminates Giardia, most bacteria and other harmful micro-organisms and sediment. There are 30 packets in this box, which allows you to treat a total of eight gallons of water. The powder has a three-year shelf life.