Hose Length: 4M / 13.1Ft; Outer Diameter: 4mm / 0.16 Inch; Inner Diameter: 2mm / 0.08 Inch. Working Temperature: 0 - 60 Degree Celsius; Working Pressure: 0 - 1 MPa. Package Content: 1 x PTFE Air Hose, 4pcs x 4mm to M5 Male Connector, 4pcs x 4mm to M10*1 Male Connector. The air tube is high flexibility, space-saving and high pressure resistance. Mainly used for air compression systems, vacuum systems, pneumatic systems.