The Bluezone hot tub ozonator helps keep your hot tub water cleaner without chemicals and features the world's most advanced solid-state Corona Discharge (CD) technology, designed to minimize Nitric Acid build up, which causes premature failure of the internal parts. Compact and reliable, this premium ozone generator sets new standards for long life, output, and energy savings. No chips or bulbs to replace, for years of service. Even the inlet air is filtered. You cannot buy a better quality or more efficient hot tub ozonator for your hot tub in Canada.