Multipurpose fuel hose for use as a fuel line, PCV connection, emission control line or fuel return line, SAE 30R7, 3/8" ID 5/8" OD, 6' Length. Use with Unleaded gasoline, diesel fuel, gasoline blends of ethanol (E-10), E85 and sour gas. Temperature Range: -40°F to 257°F (-40°C to 125°C), Working pressure: 50 PSI. Oil, abrasion and heat resistant. Manufactured in USA by Continental Tubing for Jackson Supplies; Tube constructed from Black Nitrile, 2-Spiral Synthetic Reinforcement, Black Chlorinated Polyethylene (CPE) Cover. Warning: Do not use for pressure lines, fuel injected engines, biodiesel applications, or for use with potable water.