... , Big cylinder or small can type for car use refrigerant gas R134A tetrafluoroethanewe can supply all kinds of refrigerant:R11, R12, R22, R502, R407C ... , R410A, R417, R507, R404,R134a, R600a, R141b, R142b, R125, ... ,PPm: ≤100Appearance: Colorless,No turbidOdor: No Strange Stench Refrigerant gas R134A for auto air conditioner refrigeration