BEIFENG SEMI-HERMETIC 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 ... of refrigerant, such as 134a.R404A.R407C.R22.The same model compressor is suitabke for different temperatures.Excellent functions: Motor highly efficent ...