BEIFENG SEMI-HERMETIC COMPRESSOR 1.R134a,R404A,R22,ETC. 2.High-quality , high-efficiency 3. Substitute of ... Beifeng semi-hermetic compressor is suitable for refrigerants,such as R134a,R404A,R407c,and R22,etc.with Two stages compressorfor more information ... for use in many kinds of refrigerant, such as 134a.R404A.R407C.R22.The same model compressor is suitabke for different ...