R 438A
Chemical composition: blend of Difluoromethane (R 32), Pentafluoroethane (R 125), 1,1,1,2-Tetrafluoroethane (R 134a), n-Butane (R 600) and n-Pentane
Dangerous goods designation: UN 1078 Gas as Refrigerant, n.o.s., 2.2 (C/E) (1,1,1,2-Tetrafluoroethane, Pentafluoroethane)
Global Warming Potential (GWP): 2265