The HPS Performance 1" 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.