Classified by how negative ions are generated
You can find a variety of negative ion products on the market. Some generate a large amount of negative ion molecules while others only a small amount. They generate negative ions by:
- Discharge electrodes
- Splashing water
- Ultraviolet rays
- Natural ores
Products range from negative ion generators (ionizers) to air conditioners, hair driers, home appliances, clothing, bedding and so on.