展开Get the added viral protection thats critical in popular wilderness areas and developing countries with this comprehensive purifier and microfilter system. The MiniWorksMicrofilterMSRs best-selling filter for demanding conditionsutilizes a ceramic/carbon element to filter out waterborne bacteria and protozoa, as well as particulate, taste and odors at 1 liter per minute. When viruses are a concern, the chlorine-based Aquatabspurification tablets add viral defense. Together they provide the most reliable water possible in a compact, lightweight system thats great for backpacking and international travel. This system meets U.S. EPA requirements for microbiological water purifiers.