The Edwards 28 E2M28 dual stage rotary vane mechanical vacuum pump offers an excellent ultimate pumping speed. The Edwards 28 E2M28 has superior vapor handling capabilities, while operating quietly. They are very reliable and have accessories to match any application. Applications Include use with Refrigeration dehydration, Brake line evacuation, Epoxy degassing, Sterilization, Mass spectrometry, Vacuum ovens, Lasers, Backing combinations, Thin film coating, Vacuum distillation, Freeze drying, Space research and other vacuum processes. The Edwards 28 E2M28 vacuum pumps have a pumping speed displacement at 60Hz of 21 CFM and an ultimate pressure of 7.5 X 10 -4 Torr. These Edwards 28 E2M28 Rotary Vane Mechanical Vacuum Pumps (Product Number A37317984) are brand new.