R-404A is a blend refrigerant developed as a substitute for R-502 (HCFC/CFC blend refrigerant) which had been widely used for commercial-use refrigeration. ChlorodifluoromethaneCopper Tubesdifluoromonochloromethanefan motor xtreme motorFlex Xtreme FlexGasseshydrochlorofluorocarboninsulation ac kitpolyolsR-404a refrigerantR125 Refrigerant 125R32 refrigerant 32r407c Refrigerant 407cRefrigerantRefrigerant 134arefrigerant 22refrigerant 600 r600arefrigerant r410aSuniso Oil Xtreme