The negative ion generator releases negative ions into the air to eliminate air-borne bacteria and contaminants. The negative ions bind to and neutralise airborne pollutants for a cleaner environment.
To be more specific, with a negative ion Air Purifier, the purifier creates negative oxygen atoms, which are also known as ions. The Air Purifier then releases the ions into the surrounding atmosphere. Negative ions occur naturally around large bodies of moving water such as waterfalls and rivers.