Product Details: Advanced fuel formulations require a fuel hose that's up to the task. Barricade Carburetion Hose provides a premium, low-permeation hose solution compatible for use with many fuel systems and fuel types. These hoses are made with Gates' patented five-layer GreenShield technology, providing exceptional performance and fuel efficiency. This environmentally-friendly hose solution provides 5X less permeation than the nearest competitor.