10″ ID. Provides the ultimate flexible connectors for Marine Wet Exhaust Systems. They offer much greater tolerance to heat, misalignment, engine movement and vibration, with significant savings in cost, parts, labor and space. Exceeds SAE J2006-R1, and ABYC & NMMA P-1 exhaust standards. Glossy Blue “Very Hi Temp” has 4-6 ply polyester reinforcement and 350� F (177� C) Maximum. 10 year warranty.