Flexible in temperatures from -35?F to +165?F (EU: -37,22 ?C to 73,89 ?C) Resistant to swelling, direct sunlight, hardening and/or cracking Fuel line stretches easily over fittings or petcocks Stronger and more durable than vinyl fuel line Use with any type of gasoline Premium-quality fuel line Made in the USA. GRY ULTRA FUEL LN 5/16 25