TS16949:2009, ISO9001:2000, DOT certificate Air brake coil with double layer nylon :• Material:PA,PU,double nylon tube• Hose ... Back ]Maybe you're also interested inTube -- PA (Polyamide, Nylon) Coil Tube, spiral hoseTubing -- PA (Polyamide, Nylon) TubeTube-- PU ( ... air brake reinforced hose, air brake coil with double layerDouble tubing--Double layer nylon tube,double braided tube,reinforced tube ...