This Ulvac G100DB vacuum pump is the perfect addition to any industrial or laboratory setting in need of reliable and efficient vacuum pumping. The two-stage design ensures powerful suction and quick evacuation of air, while the brand's reputation for quality and durability is well-known in the industry. This vacuum pump is ideal for use in various applications, from research and development to manufacturing and beyond. With its new, open box condition, you can trust that this vacuum pump will provide years of dependable service. This unit is unused and in original packaging.I do not have the instruction manual that came with it. If you have any questions or need more information please feel free to contact me.