flexible hose 4 layers Auto AC hose car air conditioner pipe 13mm 4 layers Automotives Air conditioning hoses Construction: Barrier: NYLON Buffer: NBR Reinforcement: synthetic fiber braid Cover: EPDM blended, black,weather and ozone resistant Standard: SAE J2064 QC/T664 Application:For the transportation of R12, R22, R502,R134a medium etc. Widely applied in vehicle air conditioning, air-condition industry freezing device. Air conditioning flexible hose 4 layers car air conditioner pipe 13mm 4 layers Automotives Air conditioning hoses No. Dia.(mm) ID(mm) OD(mm) wall(mm) Wall thickness diff(Max. mm) Work pressure(Max. Mpa) Burst Pressure(Max. MPa) Bend Radius (Min.mm) 1 8.0 8.2 15.2 3.50 0.4 3.5 23.0 55 2 10.0…