... : 1 yearInstruction to use:ozone generator mainly used for traditional Chinese medicine water, purified water, mineral water ... industry, papermaking industry, such as skim, discoloring, Bleaching, for life, industrial, hospital discharge standard treatment (sterilization disinfection, ... , with purification efficiency more than 99.99%.4:Activated carbon: Catalyse and decompose more than 90% harmful gas ...