Hfc 404A is a hydrofluorocarbon blend of three refrigerants which are R-125(44%) , R134a(52%) and R143a(4%), most new supermarket and refrigeration equipment has been built for an HFC such as R-404A, R-507, or R-407C where R-502 was previously used. Whilst it has become the widely accepted alternative to CFC R502,

And 404a refrigerant it is widely useful for a variety of medium and low temperature refrigeration applications or commercial refrigeration, such as ice machines, supermarket freezers/refrigerators, refrigerated trucks,  a/c Air Conditioner, food display, storage cases, and cold storage rooms.