... COMPRESSOR 1.R134a,R404A,R22,ETC. 2.High-quality , high-efficiency 3. Substitute of Bitzer and Copeland Beifeng semi-hermetic compressor ... is suitable for refrigerants,such as R134a,R404A,R407c,and R22,etc.with ... , such as 134a.R404A.R407C.R22.The same model compressor is suitabke for different temperatures.Excellent functions: Motor highly ...