Alcohol-resistant hose, suitable for use with leaded and. non-leaded fuels. 3/8" I.D. hose for maximum flow. Primer. bulb is injection-molded for strength and durability. Double. check valve for quick priming and unrestricted flow. Noncorrosive,. galvanized hose clamps. Attwood fuel hose kits. meet SAE J1527 ASTM Fuel C Class II standards. Primer. bulbs and hose fittings meet ABYC portable fuel systems. requirements.