Brand: NITRA Item: Tubing Operating Temperature: -40 to +160 deg F Material: Ether-based polyurethane Color: Red Inside Diameter: 5/16in (8mm) Outside Diameter: 12mm Operating Pressure: 150 psi Working Fluid: Air or inert gas Working Length: 100ft package UV stabilized: No NITRA pneumatic tubing, ether-based polyurethane, red, 12mm outside diameter, 5/16in (8mm) inside diameter, 100ft package.