MiniWorks EX Purifier SystemGet the added viral protection that's critical in popular wilderness areas and developing countries with this comprehensive purifier and microfilter system. The MiniWorks Microfilter our best selling filter for demanding conditions utilizes 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 Aquatabs purification tablets