... blue which can destroy environment and human health. Copier, printer, fax machine, dust collector, air cleaner will produces ozone while using; ... in household appliance, copy, print, fine chemical, water purifier and etc.For example: print shop, water purifier, tap water ... system, ozone type sterilization room, high-pressure discharge process and etc.CD*OZ-P(F)quality standard NoTest itemTechnology ...