Sierra 16-368-0566 Shields Low Permeation Marine Fuel Hose 5/16" By The FootSierra Shields Low Permeation Marine Fuel Hose has a plastic barrier veneer with an NBR outer layer tube to prevent permeation. This polyester reinforced hose complies with EPA and CARB very low permeation requirements and is weather/UV resistant. This hose is primarily used for fuel feed (gasoline up to 85% ethanol blended fuels/diesel/all bio-diesel blends).Features: Meets USCG Type A1-15 requirements for pleasure boats; Meets SAEJ1527 Type A1-15, ISO 7840 Type A1, and NMMA/CE type accepted standards; Temperature Range: -20F to 212F; Sold by the foot; Specifications: O.D.: 5/8" or 15.49mm; I.D.: 5/16" or 7.9mm; Wt. "C": 13; Max WP: 100;