thick wall rubber hose 5 layers auto ac rubber hose

                             5 layer auto ac hose(thick wall) Apliable Standards: SAEJ2064 QC/T664 Working temperature:-40℃~ +135℃ Features:134a refrigerant resistant, low permeability, pulse-resistant,Aging resistance, Ozone resistantce,shock resistance C-R134a  five layers ac hose(A20) Type Szie I.D(mm) O.D(mm) Wall(mm) 3” 5/16" 8±0.4 19±0.5 5.5 4” 13/32" 10±0.4 22.3±0.5 6.1…