Continental Black Nitrile Emission Control/Fuel Line Hose is a premium solution designed for high-performance applications. Crafted from advanced materials, this product offers exceptional reliability and durability. Continental Emission Control/Fuel Line Hose. Key features include: Unleaded gasoline, diesel fuel, gasoline blends of ethanol (E-10), E85 and sour gas Made in USA Applications: For used as a fuel line, PCV connection, emission control line or fuel return line. Its construction ensures optimal performance under challenging conditions, making it suitable for a wide range of automotive and industrial uses.