Exhausting ozone is a dead give away in some places. Also not good for you or plants. Buy carbon filter and you'll never look back.
grey1223 Reviewed by grey1223 on . Ozone Inhibits Plants' Ability to Breathe! Hey! For those of you who are using air purifiers that emit ozone, read this article! Ozone Damages Plants I was planning to use a HEPA/Ionic/Plasma air purifier in the grow space to get rid of bad smells- but looks like its not a good idea to use them since they emit ozone! Should probably just get one of those carbon filters and hook it up to a fan+duct... Rating: 5