... COMMERCIAL WATER PURIFIER *CE certification *PP+UDF+CTO+RO+T33 *Can remove bacteria, virus, chlorine, odor, heavy metal. Luxury business RO water ... the macromolecules and colloid substances and prevent bacteria in tap water.2. Five grades filtration generally makes all filters work ... 4. The water purifier uses PP, UDF, CTO, RO membrane and T33, removes 99.99% harmful substance from the tap water. Its ...