Brand: NITRA Item: Coiled tubing Operating Temperature: -40 to +160 deg F Material: Ether-based polyurethane Color: Clear blue Inside Diameter: 5mm Outside Diameter: 5/16in (8mm) Operating Pressure: 175 psi Working Fluid: Air or inert gas Working Length: 8.8ft working length Number of Coils: 40 NITRA pneumatic coiled tubing, ether-based polyurethane, clear blue, 5/16in (8mm) outside diameter, 5mm inside diameter, 40 coils, 8.8ft working length.