 And as it's doing that work, it's going to get rid of all sorts of smells, litter boxes, trash cans, dirty diapers, really bad-smelling odors from your food, whatever it happens to be. The O3 molecules go out, seek them out, and destroy them right where they are. Plus, you don't have to worry about getting air filters every month. It's going to save you a bunch of money, too.