Multi-purpose hose for use on return fuel lines, PCV and EEC systems, and for fuel return hose connections on diesel fuel injection systems. Approved for use with leaded and unleaded gasoline, diesel and gasoline blends of ethanol (E85), methanol and ethers (up to the legal limits allowed by the EPA). Spiral reinforced construction. Caution: Do not use for pressure lines on fuel injected engines or for cooling system applications. Use Barricade Fuel Injection hose for fuel injection applications. Intended for use with fuels where MTBE concentrations are no greater than 15% by volume.