Exchange over 80% compressor oil. The fully automatic X568 combine all maintenance functions of recovery, vacuum, charge, flushing and leak test. Features a 10 inches’ swiveling touch screen, X568 provides the system pressure, temperature, recovery and charge amount in digital display. Equipped with the sight glass, which make the cleaning operation process visualized. The flow of the refrigerant is visible and the cleaning effect before and after can be compared.Thanks to the new design program and oil separator, the wasted oil draining rate is over 80%, which make the efficient oil exchange efficiency.