Total Zone / Ultra V ozone generators are the most modern, technically advanced systems on the market today. The Total Zone / Ultra V series of ozone generators utilize a proprietary -Chamber technology that allows them to TZUV produce high levels of ozone with the distinct advantage of being completely The -Chamber maintenance free. TZUV has an average life expectancy of 10,000+ hours use. This equates to 8 hours per day, 5 days a week, for more than 5 years. When, if ever, the -Chamber requires replacing, it is very simple and inexpensive to do. All TZUV Total Zone / Ultra V ozone generators are designed and built for the utmost reliability in the harshest environments.