... series ozone air purifier (above 75g/h) 1. Structure of drawer with cordwood system type 2. Produced by standardization. CFY-150 ozone air ... ozone concentration.Our main products: 1. CFY series (oxygen source) ozone generator: CFY-3,6 ... 100,150,225,300,500.2. CFZY series (air source) ozone generator: CFZY-3,6,12 ... 100,150,225,300,500.3. CHYS series ozone water treatment machine (Integrate ozone generator ...