4 ms·How do you tell if your air cleaner that you are using generates ozone?by wtvanhest 6y agoHow do you tell if your air cleaner that you are using generates ozone?apsec112 6y agoThey'll usually have a button marked "plasma" or "ionizer" that you can disable.numpad0 6y ago"Personal air purifiers / refreshers" are also forbidden so distinction there is probably not so importantwtvanhest 6y agoOh, I should have clarified, I was wondering about in home purifiers