Tube: BLACK, EXHAUST GAS, SALT WATER RESISTANT EPDM RUBBER Reinforcement: HIGH TENSILE SYNTHETIC TEXTILE FABRICS AND DOUBLE STEEL HELIX WIRE Cover: BLACK CORRUGATED, RESISTANT TO HEAT, SALT WATER, OZONE, ABRASION, EPDM RUBBER Application: MARINE DIESEL EXHAUST HOSE, CORRUGATED FOR MARINE CRAFT Specification: SAEJ2006R1 LLOYDS APPROVED 3 BAR -40ºC to +100ºC, peaks up to 115°C