FUEL LINE: TYGON - clear Yellow , SOLD BY THE FOOT 1' FOOT to 50' FEET , #6620ID:1/4"OD:3/8"BEST FOR COLD OR HOT WEATHER / ALL CHEMICALS OR TYPES OF FUELRegistered and Made In USA -- ( not China copy material )-- Original TYGON F-4040Clear Yellow for visual inspection. Special formulation for all power equipment. Resists swelling. Oil and gas resistant. Maintains air tight seal on fittings even in extreme temperatures. Translucent material allows visual inspection of flow.Designed for safe and efficient handling of most petroleum-based products, Tygon® Fuel and Lubricant Tubing resists embrittlement, cracking and swelling. A consistent performer lot after lot, Tygon® Fuel and Lubricant Tubing is the most requested fuel and lubricant tubing for a variety of applications -- from small engine fuel lines to coolant transfer. Specifically designed to handle most fuels and industrial lubricants, Tygon® Fuel and Lubricant Tubing resists the swelling and hardening caused by hydrocarbon-based fluids. This significantly reduces the risk of failure due to cracking and leakage. Its minimum extractability safeguards the liquid or vapor being transferred against adulteration. Extremely flexible (Shore A, 57), tubing simplifies installation, even in tight places. It is translucent yellow for positive identification and to allow easy flow monitoring. It is routinely used to handle gasoline, kerosene, heating oils, cutting compounds and glycol-based coolants. Max working temp 165°F. UV and ozone resistant. Standard length 50'.