Robinair AC690-Pro Air Conditioning Station Garage Equipment Online stocks the Robinair AC690-Pro fully automatic Air Conditioning Stations for R134A refrigerant. This high-quality Vehicle Air Conditioning recovery and the recharging unit are very simple to use. The Robinair AC690-Pro Air Con Station is fully automated, meaning it requires very little operator input, allowing you to continue working on another job while the unit does the work for you.