... , ISO9001:2000, DOT certificate Double layer nylon tube reinforced tube :1).Material: PA, Nylon ,Polyamide2).Size: O.D.× I.D. (mm ... ×91.5 14×111.5 15×121.5 Inch: 1/4”,3/8”, 1/2”,5/8” etc.3). Working temperature: -40 ... ~+120°C, Explosion pressure:1.5-15MPa4). Certificate: TS16949:2009, ISO9001:2000 , DOT certificate5). Feature ...