Haofa Universal AN4 AN6 AN8 AN10 AN12 PTFE Fuel Line Hose Adapters Fittings for E85 Teflon Fuel Hose is a must-have for any automotive enthusiast looking for high-quality fuel line fittings. These fittings are manufactured in our factory using premium materials, ensuring maximum durability and leak-free connections. Ideal for use with our E85 Teflon fuel hoses, these adapters and fittings come in a range of sizes to fit AN4 to AN12 hoses. You'll have everything you need to create a reliable fuel system that can withstand the harshest conditions. Trust us, we manufacture these products to meet and exceed your expectations of quality and performance.