Is this the good or bad kind of air purifier?

I'm dumb or something, is this the good kind of ionizer that negatively charges ions and is good for plants/humans, or is this the kind that creates ozone and is bad for plants/humans?

IONIC BALL AIR PURIFIER IONIZER CLEANER W BREEZER OZONE - eBay (item 220190375370 end time Jan-10-08 14:15:00 PST)

anyone know if it creates ozone and is bad for you?