Intertek Zero Ozone standard

ozone gas (less than 5 parts per billion!), which is good because too much ozone can irritate your lungs."}" data-sheets-userformat="{"2":513,"3":{"1":0},"12":0}">This means an air purifier creates almost no ozone gas (less than 5 parts per billion!), which is good because too much ozone can irritate your lungs.