The EVT-series are the most reliable high vacuum pumps on the market.
EVT-series Turbo Molecular Vacuum Pumps are rubust, reach a good ultimate vacuum and are easy to operate. They are available some different designs like: Integrated control or with external control unit, ceramic bearings with oil or grease lubrication and as classic turbo or with a drag stage. They can be chosen to come with a ISO-K or CF inlet flange.