... Pulling Liquid Speed: 453kg/h Refrigerant Recovery Machine,1HP, with oil and gas separator, envrionmental and efficient~~Key Features: 1 ... . The outer shell adopts one-off rotary technology with high intensity and concussion resistance.7. Overall protection device ... Remarks: Oil and Gas Separator optional, and dual voltage 110/220V function available. Refrigerant Recycling Machine,1HP, with oil and gas ...