ultrair orange gas 570 mlUltrair Orange Gas is a high quality airsoft gas that is specifically designed to maintain the efficiency and precision of airsoft guns. With a capacity of 570 ml, this gas provides enough energy to power your airsoft guns for a long time. The gas here is an orange gas that has an expected pressure of 164 PSI, making it good for use especially in the winter without damaging weapons. Features: Ultrair medium power gas contains a blend of propane gas