... , ISO tank for 20 ft 1,1,1,2-Tetrafluoroethane, R-134a, Genetron 134a, Suva 134a or HFC-134a, is a ... haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane), but with less ozone depletion potential. It has the ... as refrigerant, an important component of R502s replacement High purity R 134a refrigerant