ANTI BACTERIA ADDITIVE
American standard basins comes with Anti-bacteria additive, which is added into the bathroom products, and are safe for human beings and inhibits the bacteria for a long time. Its anti-bacteria effectiveness lasts as long as the lifetime of the product.
The acacia series basins also comes with PROGUARD. Proguard is a glaze that prevents silica buildup on the ceramic bowl. This helps the toilet to effectively flush away all stains, and prevents them from adhering onto the surface. Water simply slides down the bowl !