... be equipped with oil & gas separator optionally AUTO REFRIGERANT R134A RECOVERY MACHINE SYSTEM ENVIRONMENTAL AND FAST ~~Characteristics: 1. Ergonomic well ... Refrigerant: Cat. III:R-12,R-134a,R-401C,R-406A,R-500;Cat. IV:R-22,R-401A,R-401B,R-402B,R-407C,R-407D,R-408A,R-409A,R-411A,R-411B,R-412A,R-502,R ... optional, and dual voltage 110/220V function available. Auto Refrigerant R134a Recovery Unit 1/2HP