One tablet purifies 5 gallons/20 litres of water. With no unpleasant taste or colour, these tablets are safe and simple to use. They prevent E.Coli, total and faecal coliforms, travellers’ diarrhea, and other waterborne disease and illness. Great size for camps and cottages
Features : • Contains 30 tablets. In normal use with clear water, each tablet treats 20 litres. • Requires 30 minute contact time with water. • Contains sodium dichloroisocyanurate (source of chlorine), certified to NSF / ANSI Standard 60. • Approved and used by international aid agencies including: NATO, WHO, Unicef, International Red Cross, Medecins Sans Frontieres, and Oxfam.