Trident Rubber Marine Hose, 250 Series Hard Wall Flex Marine Wet Exhaust & Water with Wire, 2-1/4" ID. Sold by the foot. Premium wet exhaust hose for longer bent connections. In smaller IDs for engine intake, critical water, drain, scupper, bilge and sanitation uses. Extra heavy tube and cover with helix between 2 ply reinforcement provides excellent flexibility and bend radius. Resists heat, ozone, exhaust, sani chemicals, panting and collapse. Exceeds new standards (SAE J2006, ABYC and NMMA). Black High Temp EDPM Rubber 250 degrees F (121 degrees C).