Manganese Sand Filter can wipe off manganese, iron in the water. It can be divided into manual and automatic-type. Manually type valve adjustment to control the operation of the filter to wash, backwash; automatic type PCL control cabinet to control the opening and closing electric valves, run the filter, to control the state such as conventional well-flushing, back flushing. Material of tank can be divided into carbon steel tanks, stainless steel tanks, can also be produced according to users' requirements.