When we&';re exploring the backcountry, safe drinking water is essential. The Katadyn Micropur MP1 Purification Tablets offer peace of mind with their powerful chlorine dioxide formula, effectively eliminating bacteria, viruses, protozoa, and cysts from natural water sources. With each tablet treating 1 liter of water, these lightweight tablets are an easy, reliable solution to ensure we stay hydrated and healthy on our adventures. Features: Chlorine dioxide tablets for purifying water Effective against microorganisms, bacteria, viruses, and cysts 1 tablet treats 1 liter of water 4-hour treatment time for full effectiveness 20 tablets included for multiple uses Compact and easy to carry for backcountry adventures Item #EXTG05F