Wrapped cover flexible rubber hose 6 layers ac rubber hose 

                                 6 layer auto ac hose Apliable Standards: SAE J2064 QC/T664 Working temperature:-40℃~ +135℃ Features:134a refrigerant resistant, low permeability, pulse-resistant,Aging resistance,Ozone resistantce, shock resistance C-R134a  six   layers ac hose Type Szie I.D(mm) O.D(mm) Wall(mm) 3” 5/16" 8±0.4 19±0.5 3.6 4” 13/32" 10±0.4 22.3±0.5 3.6…