NSH GER black motor oil purifier(oil purifier, oil purification, oil filtration, oil recycling, oil regeneration, oil filtering, oil filter, oil re-refining, oil purifying, oil treatment) 1.High efficiency 2.Good appearence 3 ... continuously by batch. 10.Environmentally friendly. contact me :sinonsh123 at sino-purification com Technical Specifications Item Unit GER-1 GER-2 ...