... Speed:Pushing and Pulling Liquid Speed: 453kg/h Refrigerant Recovery Machine,1HP, with oil and gas separator, envrionmental and efficient~~Key ... :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-509Cat. V :R-402A,R-404A,R-407A,R-407B,R-410A ,R-507 ... optional, and dual voltage 110/220V function available. Refrigerant Recycling Machine,1HP, with oil and gas separator