Seachoice - Fuel Hose - EPA Compliant - 5/16" x 50' - 21231. Used for repair and replacement on outboard engines. Complies with SAE J1527 Class 1 and CE requirements. Meets new EPA requirements for low permeation hose.. Features:. Size - 5/16: Inside Diameter x 50' Length. Used for repair and replacement on outboard engines. Complies with SAE J1527. Class 1 and CE requirements.. Meets new EPA requirements for low permeation hose