... TS16949:2009, ISO9001:2000, DOT certificate Double layer nylon tube reinforced tube :1).Material: PA, Nylon ,Polyamide2).Size: O.D.× I.D. (mm ... .5 15×121.5 Inch: 1/4”,3/8”, 1/2”,5/8” etc.3). Working temperature: -40~+120°C, ... ]Maybe you're also interested inTube -- PA (Polyamide, Nylon) Coil TubeTubing -- PA (Polyamide, Nylon) TubeTube-- PU (Polyurethane) TubeTubing -- PU (Polyurethane) air brake ...