... directly used for running water,sewage water ,dringking water and swimming pool water treatment and so on . CHYS-series Integrate ozone generator, ... CHYS-XB--X type have CHYS-2B-6, CHYS-2B-12, CHYS-2B-24, and so on. "CHYS" means water ozone machine,"2" means water treatment ... CHYS-XC-X type have CHYS-2C-6,CHYS-2C-12,CHYS-2C-24, and so on, "CHYS" means water ozone machine, "2"means water treatment ...