Mandrel built hose for delivery marine engine gases (wet exhaust) on recreational or small displacement vessels according to SAE J 2006: 03 R2 and ISO 13363: 04 Type 2 Class B, with LLOYD´S REGISTER nr. 96/00127 and RINA nº DIP103714CS. Corrugated cover.Interior in black synthetic rubber special formulation, resistant to gases and seawater. Reinforcement high tensile textile plies and helix wire embedded. Exterior in black self-extinguishing rubber resistant to abrasion, heat, oils, fuels and marine agents.