... -24, and so on. "CHYS" means water ozone machine,"2" means water treatment capacity, and it can be adjusted from ... ) ,and"6" means ozone generator's capacity is 6g/h ; it can be adjusted from "6"to "12" ... -24, and so on, "CHYS" means water ozone machine, "2"means water treatment capacity(just like above)."C" means it ... inside), and "6"means Ozone capacity is 6g/h (it is same as the above).(3). CHYS- ...