[Filter function:]
Manganese sand filter is made of good quality grain dense Dian Dian Dian mechanical strength unbreakable chemical activity Dian Dian water-insoluble natural manganese sand. After washing polishing cleaning dried Dian Dian Dian magnetic screening Dian dust and other technology into the sand. Manganese sand then processed by a certain gradation blending. It has a water filter ideal grading scale, making it the largest in the unit volume specific surface area within the strongest interception capability Dian Dian largest and smallest catalytic oxidation backwash churn. Manganese sand filter appearance of rough brown or light gray, commonly used in drinking water in addition Dian iron and manganese removal filters, water treatment effect is very good.