with braided,double tube Double nylon hose :1. Material: PA,Nylon,PU 2. Size:3/8”, 1/ ... etc. 5.Application: Fluid air,water, oil. Air brake systems Fuel lines; Instrumentation compressed air lines; Low pressure hydraulic lines; widely ... -- PU (Polyurethane) TubeTubing -- PU (Polyurethane) air brake coils Double nylon hose