Premium corrugated marine fuel fill hose for very tight bends. Thick wall with corrugated cover, smooth tube and wire helix between 2 ply reinforcement for extraordinary flexibility and bend radius. Resists permeation, fire, heat, cold, ozone and premature aging by all marine fuels including alcohol blends. Exceeds Newest Type A2 (USCG, SAE, ISO, ABYC) Std. NMMA Type Accepted, CE certified, Lloyds Register Type Approved. 5 Year warranty.