... gas R134a. Good quality in competitive price use for car and air condition Refrigerant gas R134a ,1,1,1,2-Tetrafluoroethane , ... used in auto air condition,refrigerator,central air-condition.R-134a has been widly used as ... ,reach-in-coolers,display cases, auto air-conditions,refrigerators,cenrel air conditions,commercial refrigeration,and also been used in areas such as ...