Manganese Filter Media (MnO2) is a black, granular, naturally mined filter media composed of manganese dioxide which with a content ranging from 35% to 80%. It was found to be an excellent natural filtration media to remove iron, manganese, arsenic and other harmful substance in water solutions. QingChong manufacture a wide range of manganese filter media by multiple mechanized modern processes such as washing, crushing, drying, magnetic separation and vibration screening. We can also support with OEM/ODM service to improve water quality due to different water condition.