Premium wet exhaust hose for longer bent connections. In smaller I. D. 's forengine intake, critical water, drain, scupper bilge & sanitation uses. Extraheavy tube and cover with helix between 2 ply reinforcement providesexcellent flexibility and bend radius. Resists heat, ozone, exhaust, sanichemicals, panting and collapse. Exceeds New (SAE J2006, ABYC and NMMA)standards. Black High Temp EDPM Rubber 250 degrees F(121Degrees C)