The Leybold D25 D25B Trivac is a durable vacuum pump with a superior vapor handling capability. The Leybold D25B dual stage rotary vane mechanical vacuum pump offers an excellent ultimate pressure of 1x10-4 Torr. These pumps are commonly used for vacuum furnace evacuation, backing turbomolecular pumps, backing diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, space research, and other vacuum processes. These Leybold D25 D25B vacuum pumps have a pumping speed displacement of 20.9 CFM.