Air Purifier, ionizer, air ionizer perfect for allergy sufferers, smokers and even with allergy to dust mites (tool)
Air as in the forest, the mountains or the sea ??? Or should it hot air as under power mast (corona discharge). As air in the aircraft cabin (Ozonhaltig). Air as arc welding (ozone). Pollutants are dissolved ??? How long, for example, formaldehyde is