1: Manganese（for Fe & Mn ion remove）
This product is made of natural manganese sand or manganese ore as raw material by the screening process content different manganese sand filter material. Appearance spherical, brown, has the good in addition to iron and manganese removal performance. As manganese sand filter material manganese form mainly manganese dioxide is given priority to, the user can according to different processing purpose, choose different content products to MnO2 content not less than 35% of manganese sand filter material can in addition to manganese and iron removal, MnO2 content is less than 30%, only appropriate groundwater in addition to iron.
2 : Physical and chemical index
3. Size: 0.3-0.6 0.5-1.0 0.8-1.2 1--2 2--4. 4--8. 8-16.16-32mm.
4. Lifetime: About 3 year