... R22 or R134a or R404a or R410aFeatures: 1. Functions for recovery, cleaning,regeneration, vacuum, filling (oil, fluorescent,refrigerant) and monitoring ... alarm setting. 4. High efficient heat exchanger and quick recovery. 5. Extra data base will support the display of ... 7. Applicable to small refrigerantion and A/C system below 5 kg. Automatic Refrigerant Recovery,cleaning and Filling Machine HS-680