Everpure EV9612-56 MC2 Filter Cartridge New and improved Micro-Pure II media with AgIONantimicrobial protection inhibits any potential bacterial growth Reduces chlorine taste and odor and other offensive contaminants that can adversely affect the taste of beverages Precoat submicron technology reduces dirt and particles as small as 1/2 micron in size. NSF Certified under NSF/ANSI Standards 42 and 53 Protects drink system seals, pump, tubing and small orifices from clogging, corrosion and abrasive wear Sanitary cartridge replacement is simple, quick and clean. Internal filter parts are never exposed to handling or contamination