Size: Inner Diameter 0.31 Inch (8mm vacuum hose); Outer Diameter 0.55 Inch (14mm); Length 1 Meter (3.28 Feet); Wall thickness 3mm | Broad operation temperature: -76F to 374F (-60C to 190C). 60 PSI Maximum pressure rating | Reinforcement: made of high temperature premium grade silicone rubbe | Material stability: handle extreme pressure; Ultra flexible and excellent tensile strength | Applicability: applies to general purpose air or water transportation in the engine bay