Amazon.com: VEVOR Vacuum Pump 5CFM, 2-Stage HVAC Vacuum Pump, 1/2 HP Rotary Vane Vacuum Pump, for R12 R22 R134a R410a Refrigerant, Suitable for HVAC/AUTO Repair&Maintenance, Vacuum packaging, Resin casting etc. : Automotive
Kozyvacu Single-Stage Rotary Vane Vacuum Pump for HVAC/Auto AC Refrigerant Recharging, EPoxy Resin or Wine Degassing, Laboratory, Medical or Milking (TA350): Amazon.com: Industrial & Scientific