... certified products,price and quality advantages suit for mechanism of High standard. Trailer Coil Air,Brake Coils,PA12 hose: • Material: ... :12,16,18,20,22,24,26,28,30 coils.etc. • Stretched length:5m,5.5m,6.5m ... 8m,12m etc. • Explosion Pressure :6Mpa(=60Bar) • Fitting:With two M16,M18 ,M22 ,1/2"fittings etc. or ... ) TubeTube-- PU (Polyurethane) TubeTubing -- PU (Polyurethane) air brake coils, spiral hose