This Everpure EV9327-13 Coldrink 3-7CLM Water filter systemProtects drink system seals, pump, tubing and small orifices from clogging, corrosion and abrasive wear. It reduces chlorine taste and odor and other offensive contaminants that can adversely affect the taste of beverages. The EverPure EV9327-13 filter's sanitary cartridge replacement is simple, quick, and clean. It has precoat submicron technology reduces dirt and particles as small as 1/2 micron in size and reduces health contaminants such as cysts. It also Improves the taste of fountain beverages and helps retain the drink’s carbonation.