| PB-10 Vacuum Pump 242 CFM Free Air 204 CFM @ 15" Multiple Configurations Available Internal Check Valves Internal Lubrication More Details on the PB-10 Parts List and Breakdown Drawings: | | | PB-4 Vacuum Pump 325 CFM Free Air Multiple Configurations Available Internal Check Valves Internal Lubrication More Details on the PB-4 |