... 2.High concentration O3 output 3.Ajustable O3 4.Warranty:1 year 1-2g/h Portable Ozone GeneratorDN-HY & DN-YT Series ... Steel shell6. Drying7. Power supply.8. Fans for cooling. Applications:1. Oxygen/air source Ozone generator for room, like house, hotel ... , such as clothes, pillow towel, tool etc…Functions of ozone:1. Ozone sterilization: destroy a variety of bacteria and viruses efficiently ...