water filter: 1)material: kieselguhr ceramic 2)Product Origin: China 3)Brand Name: Lanjiang 4)Price Terms: FOB ... with clear water or repeated washingFunction: purification and anti-bacterium1) Ceramic filters out dust, rust, cyst, cryptosporidium and guardian, particle and ... scouring pad under running water. As the top layer of ceramic and contaminants are brushed off, a new layer becomes available ...