Pump runs great and pulls a vacuum fine. So there will have to be oil added before you fire the pump up. This powerful vacuum pump by Welch is perfect for industrial use. With a brand name you can trust, this vacuum pump is designed for continuous use and can handle tough jobs with ease. The belt drive rotary vane design ensures efficient and reliable performance, making it a great addition to any workshop or factory. The pump is designed for use with a single phase power supply and has a 0.9 CFM capacity. It's perfect for use in a variety of applications such as hydraulics, pneumatics, pumps and plumbing. Whether you're in the business of manufacturing or just need a reliable vacuum pump for your personal projects, the Welch 1400B-01 Duoseal Vacuum Pump is the perfect choice.