... mineral balls 2) Application: for drinking water dispenser 5-stage carbon cartridge Item NoDK-carbon cartridge-1Main Ingredientsdifferent ceramic balls ,such as Mineral ... Infrared Ball,Maifanstone Mineral Ball,Tourmaline Ball,Maifan Stone,active carbon,etc.Functionsremoving bacteria,chlorine,unpleasant odor,smell,taste,uspended substanceApplicationfor ...