The HPS Performance 3/8" FKM lined silicone hose is specially developed to provide excellent resistance to acids, fuels, oils, greases, aliphatic, aromatic, and chlorinated hydrocarbons, and many organic solvents and chemicals. FKM is a fluoroelastomer that can withstand high temperatures and harsh chemicals without losing its mechanical properties. Its low gas permeability and outstanding heat stability makes this hose a popular choice in automotive, aerospace, and industrial applications. Combined with polyester reinforcement and silicone rubber, this hose offers exceptional flexibility and tensile strength.