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 ... .R22.The same model compressor is suitabke for different temperatures.Excellent functions: Motor highly efficent: Best control gap.high quality and low energy ...