Auto AC Vacuum Pump, comes with the oil for operation. Connections available on pump for different sized fittings.
Can be used for auto vehicles to performed leakage test(after all the refrigerant has been drained from the system).
To use pump, pour oil until it meets the max line that is seen on the back. Hook up the main hose on your gauge to the top connection and turn on the pump. Leave on for 30 minutes and then check for level drop at the gauge.
TTD.
Excellent.
