Applications: Infinity Fuel Drop HD is constructed with the exclusive PVC double helix for superior flexibility, abrasion resistance and low coefficient of friction for ease of maneuverability. Lightweight in construction, Infinity HD (Heavy Duty) is designed for higher working pressure applications (150 PSI). It is suitable in gravity flow or medium suction at ambient temperature. Designed to transfer bio-diesel and ethanol blends, gasoline and other petroleum products with an aromatic content of 60% or less.