Rotary Vane Vacuum Pump, Corrosion Resistant DuoVane, Pfeiffer Vacuum Inc., DuoVane 22 C, Ultimate Vacuum 4E-3 mbar, Pumping Speed: 11.5 CFM, Noise Level: 52 dB(A), Weight: 32kg, Dimensions (L x W x H): 483 x 164 x 237 mm, Gas inlet/outlet: DN 25 ISO-KF/DN25 ISO-KF