... 2. This machine have two vacuum pumps (one is the ... online for150 hours continuously without person. So it is a ... oil purifier, oil purification, oil filtration, oil recycling, oil treatment, oil regeneration, oil restoration, oil filtering, waste oil disposal, oil reclaiming, waste oil management, energy saving, oil reconditioned, oil reconstituted, oil restituting, oil recovering ,oil filtration, oil ...