There is a lot of warning about Ozone. It is an irritant to the respiratory system, but not toxic. It is also how nature itself cleans and sanitizes, but high levels of ozone will sting your nose and irritate your lungs. That's why we NEVER start our ozone treatment unless the building is vacated of people and pets. More than 1000 cities in the world use Ozone to purify city drinking water. It is used by the egg industry to remove salmonella and e-coli. It is used by the meat
We recommend to replace your cabin air filter especially in a smoker car. This is a photo of a cabin air filter from the last smoker car we made. It smelled horrible like cigarette smoke and other odors. Imagine to leave this smelly filter in a cleaned car...all the smell will come back through your A/C. We always recommend and offer a replacement after an ozone treatment.