Quick N2 inflation for cars and mini-bus, with 2 N2 outlet and so it can inflate 2 tires at the same while. Unit reading being changeable among KPA, PSI, KG and BAR, much convenient for all the customers. After setting the tire pressure, one key will finish the job. It beeps when inflation completed. The strong air-filter is fixxed at side of the machine, which helps to get rid of the moisture from the air. Two filters inside the machine will get rid of the Oxygen but leave the nitrogen. Nitrogen will be storged in a tank of 40~60L.