Fully enclosed system with refrigeration recovery system. Main components use stainless steel material. Fully enclosed system with refrigeration recovery system maximize PERC recoveryProgrammable computer with self diagnostics, 6 automatic maintenance programs and up to 24 cleaning programsThree automatic self-cleaning tanksTwo convertible ecological powder-less disc filtersOne double all-carbon filterSecondary carbon absorber systemButton trap dryingAutomatic still waste removal systemStill overfill preventerDouble water separatorAutomatic still on/offFloor Safe safety troughElectronic drying controller to monitor solvent recoveryThermostatic controlled cooling water valve