... -8, 8-16mm Good quality, Relative comp Natural Zeolite for Water Filtration:Size:0.8-1.5,1-1.8,1 ... ,Relative competitive price Application of Natural Zeolite in filter water:It can purify water turbidity, chroma, smell, and to harmful heavy metals ... is the new ideal filter material in industrial water supply, sewage treatment and water filtration . Physical Data: Density g/cm31.8 ~ 2 ...