1. Ozone adjustable from 0-100%
2. Back water prevented solenoid valve
3. Stainless steel 304, pressure and corrosion resistant
4. Different plugs optional
5. Air cooling or water cooling optional
6. Inner air compressor and condenser, water filter
7. Inner PSA oxygen generator unit
8. Small consumption, a fast reaction speed, and no pollution
9. Convenient installation, simple use, stable and easy operation, large ozone concentration
10. Electrical safety protection