ARKSEN Vacuum Pump (3CFM) 1/3HP Manifold Gauge w/Carrying Case Refrigeration for R134A Designed to test automotive air conditioning systems (using R134A refrigerant only) Burst pressure: 3000PSI, Max working pressure 600PSI Quick disconnect couplers for high/low fittings Direct Drive Motor Allowing Easy Starting and is Maintenance Free Includes a Bottle of Vacuum Oil FREE