1)Oil free, slient, safety, simple operation; 2)High performance, high durability, low maintenance; 3)No need lubricated oil. Product CharacteristicCristofoli medical oilless ... medical treatment,hygiene,science,daily life etc.The main feature1) Oil free design, clean air power supplier, suitable for your special need ... on the Exhibition Cristofoli TEC department 38L one motor oil free air compressor