If you suffer from any form of allergy, you will no doubt be aware that medications prescribed by your doctor will only go so far in helping your health issues but they certainly do not stop your suffering altogether. If this is the case, maybe an allergy relief air purifier is just what you need to back up your current medication.
There was a recent lawsuit filed in the US by a major ionic air purifier manufacturer who claimed that a consumer report about their air purifiers was a product defamation. The report in question claimed that the tested air purifier system removed very little matter from the air and that it significantly raised ozone levels.