... 2.treat the ground water 3.high mechanical strength Manganese Sand Filter MediaIt is the best filters material that can remove ... , high quality and stabilityUsed manganese ore as raw material, mnganese sand filter is made by crushing, screening and other processes. It ... treatment effect is very good.Note: When MnO2 ≥ 35%, mnganese sand filter can not only remove iron but also manganese; when ...