The manufacturer of the RV3 Pump is BOC Edwards. Refurbished BOC Edwards RV3 Vacuum Pump (available part numbers: A652-01-906 & A653-15-906) (new and refurbished options available). Optional: EMF10 mist filter (new and used available). The Edwards RV3 dual stage rotary vane mechanical vacuum pump offers an excellent ultimate pumping speed. The Edwards RV3 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 3 RV-3 has a pumping speed displacement @ 60Hz 2.3 CFM and an ultimate pressure of 1.5 X 10 -3 Torr.