New-in-the-box Contvac W2V20 Vacuum Pump. (compare to Edwards RV8/Edwards 8) Please see above for specs. Applications: vacuum distillations, vacuum degassing, surface coating, freeze drying, laser construction, cryogenics, vacuum ovens, mass spectrometers, electron microscopes, and GC/ICP mass. Also available: W2V10 (compare to Edwards RV3) and W2V40 (compeare to Edwards RV12) Please contact us for complete vacuum pump details.