* Foot stand base provides excellent support & leverage while pumping against the high pressures of a running compressor.
* Design allows technician to add refrigerant oil to a system under pressure.
* Siphon hose allows for the removal of old oil to prevent over-charging.
* Pump universally mounts directly to the containers.
* Pumping of oil can be done directly from the container, keeping oil free from dirt & moisture.
* Fits all major brands of refrigeration oil.