Everpure EV9275-60 QL2-OCS 2 System New and improved Micro-Pure II media with AgION antimicrobial protection inhibits any potential bacterial growth Everpure's unique filter blend using activated carbon reduces chlorine taste and odor and other offensive contaminants Saves energy by reducing scale build-up. Proportioned scale inhibitor feed dramatically prevents limescale from forming in brewing equipment Engineered to always feed the correct amount of scale inhibitor into each volume of water Sanitary cartridge replacement is simple, quick and clean. Internal filter parts are never exposed to handling or contamination