... Air Brake Coil Hose: for trailer,high qualit,competitive price,fast delivery time Nylon recoil hose,Spring coil: • Material:PA,PU etc. • Hose ... size(OD*ID):12*9,12*8,8*1, 4...22mm or others • Protection:spring or plastic • O.D. of ... .5m,7.5m.8m,12m etc. • Explosion Pressure :6Mpa(=60Bar) • Fitting:With two M16,M18 ... -- PU (Polyurethane) TubeTubing -- PU (Polyurethane) air brake coils, spiral hose