J6-S2 Silica Sand, 14–20 mesh, is a high-quality water filter. This product is made from natural silica with a purity of over 95%. Each grain is fine and uniform, making it efficient for clean water filtration. The 14–20 mesh size indicates finer grains than the 8–16 mesh size. J6-S2 Silica Sand is processed through a meticulous washing and drying process. Each particle is filtered using an industry-standard sieving system to ensure it is free of impurities.