Nano Siliver ceramic ball Nano silver Antibacterial Ceramic BallDescription : One kind of environmental protection and health ... , special formula and agglomeration techniques, and used with the ceramic ball for eliminating bacterium of water purifiers, textile fiber, ... and industry, health care products etc.Specifications: 3~8mmMain Ingredients: Nano silver powder: 1%, Maifan Stone: 50~60% Zinc oxide ...