... to Plug and play.Features:1.Corona Discharge Technology.2.Air Cooled Ozone Cell.3.High Frequency Power Supply.4. ... Guaranteed stable output.5. The interior includes powerful air pump, air dryer.6. For customer use, this integrative reasonable design ... equipped electric pressure meter, manometer, switch, airflow meter. 8.The machine body is made of polished stainless steel, no noise. It ...