Natural Zeolite for Water Filtration Size:0.8-1.5,1-1.8,1- ... -4, 4-8, 8-16mm Good quality, Relative comp Natural Zeolite for Water Filtration:Size:0.8-1.5,1-1.8 ... -16mmGood quality,Relative competitive price Application of Natural Zeolite in filter water:It can purify water turbidity, chroma, smell, and to harmful heavy ... .07%Impurity≥80%Voidage≥48%Si(Al)>95% L01-858, Natural Zeolite for Water Filtration