... Speed:Pushing and Pulling Liquid Speed: 453kg/h Refrigerant Recovery Machine,1HP, with oil and gas separator, envrionmental and efficient~~Key ... Features: 1. Ergonomic well balanced design with good shape.2. Pull rod design, which is convenient for taking out.3. Proprietary ... optional, and dual voltage 110/220V function available. Refrigerant Recycling Machine,1HP, with oil and gas separator