Product Description Introduction of the manganese sand: Manganese sand filter is the use of domestic excellent quality, grain density, high mechanical strength, strong chemical activity, not easily broken, insoluble in water, natural manganese sand. After washing and grinding in addition to miscellaneous, dry, magnetic separation, screening, dust and other processes into sand, and then the processing of manganese sand according to a certain level of blending. The appearance of manganese sand filter is dark brown, nearly circular, the main ingredient is manganese dioxide content between 35%-45%. Use it to deal with groundwater, simple process, convenient operation, small occupation area, low construction cost, long-term stability, service period of 5 years of above, easy to manage, fill does not add any chemicals can achieve the purpose of removing water, iron, manganese, arsenic and other harmful substances, water quality fully meet the national drinking water standards, is very good groundwater filter material.