MATCC 1L Car Cleaning Gun Air Operated Car Wash Equipment Tornado Gun(American Air Fittings) Power: 1000 (w) Use: Automotive interior chamber cleaning Material: Copper and aluminum Capacity: 1L The tube is metal, so it is not damaged easily, have a long using time. The pressure is only 0.3-0.8MPa to cleaning the dirt. Saved the time because of rotating more quickly NOTE:Please check whether the joint is suitable for your air gun before purchasing.