Everpure EV9272-00 QL3-BH2 Coffee Filter System New and improved Micro-Pure II media inhibits the growth of bacteria, Precoat submicron technology reduces dirt and particles as small as 1/2 micron in size 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 brewers and engineered to always feed the correct amount of scale inhibitor into each volume of water Increases holding time of coffee Sanitary cartridge replacement is simple, quick and clean. Internal filter parts are never exposed to handling or contamination