Features: 1) Extremely long working life design 2) Against moist components and spare parts, with high ozone concentration, independent separated module design and convenient maintenance 3) With control timer function, and can work without people aside Advantages: 1) Ozone generating system, air feeding system and cooling system integrated control, easy to install 2) PSA (Pressure Swing Adsorption) built-in 3) Providing excellent dry feeding air by no heating regenerating dry system 4) Exclusive Patent high pure ceramic discharge cell guarantee super working life 5) High concentration output of ozone and effective saving feeding air 6) IGBT contra change high voltage high frequency source 7) Module design of discharge cell, convenient maintenance 8) Double pole effective cooling system 9) Advanced auto time control A type: ozone generator + air pump + PSA oxygen concentrator B type: air feeding or oxygen feeding C type: air feeding and oxygen feeding