Pro-Set Vacuum Pumps Ignition Proof 12 CFM Two-Stage, 115 V, w/ Gas Ballast Valve
There are good pumps, better pumps, and then Pro-Set vacuum pumps. These dual stage vacuum pumps with gas ballast valves are your premium solution for obtaining the deepest and quickest ultimate vacuum and free air displacement and for use with Class A1 (non-toxic, non-flammable) and A2 (non-toxic, flammable) refrigerants.