... % min. 2.Good quality in competitive price 3.OEM is accepted; 4.CE/DOT approved; Refrigerant gas R134a ,1,1,1,2-Tetrafluoroethane ... ,central air-condition.R-134a has been widly used as refrigerant in car ,super-market freezer,reach-in-coolers,display cases ... ≤100ODP0AppearanceColourless,No turbidGWP0.29OdorNo strange stenchLiquid Density,g/cm31.207 refrigerant gas r134a price