Yellow Jacket® PLUS II hoses feature double barrier protection and higher working pressure. 60" B Charging Hose is design to place Yellow Jacket® features in a larger volume hose for fast, high vacuum or charging. 60" Hoses with Standard Fittings offer protection for chlorofluorocarbon (CFC), hydrochlorofluorocarbon (HCFC) and hydrofluorocarbon (HFC) refrigerants. Nylon permeation barrier meets UL requirements. These 1/4" charging hoses are also UL 1963 recognized component for R-12, R-22, R-500, R-502 and R-134a.