Premium marine wet exhaust hose for short, straight connections. In smaller I.D.'s for critical engine coolant & circulation, heat exchanger and discharge uses. Extra heavy tube and cover with 2 to 6 ply reinforcement resists heat, aging, ozone, exhaust and sani chemicals. Exceeds New (SAE J2006, ABYC and NMMA) Stds. Black High Temp EDPM Rubber 250°F (121°C). 5 Year Warranty. ID 1-3/4" Length Per Foot