The Follett 7 Series™ Tower uses an ANSI Standards 42 and 43 certified filter that delivers premium quality water for cold cup vending applications. It provides clear, fresh, premium quality ingredient water for great tasting cold beverages. Its Pre-coat submicron technology reduces dirt and particles as small as a half micron in size and reduces possible health contaminants such as asbestos fibers and Cryptosporidium and Giardia cysts. Sanitary cartridge replacement is simple, quick and clean. Internal filter parts are never exposed to handling or contamination. This filter utilizes a unique blend using activated carbon reduces chlorine taste and odor and other offensive contaminants.