Recommended Usages: Type A2 fuel fill hose is constructed with high grade chemigum tube for superior fuel resistance for type A2 fuel fill applications. This is the connection from the boats fuel tanks. USCG/SAE J1527 type A2 unleaded resistant Cover: Flame retardant Reinforcement: Two-ply synthetic braid with wire helix. Tube: Black nitrile Temperature Range: -30° C to 90º C