6" ID 90-Degree EPDM Black Rubber Molded Wet Exhaust Elbow with 4 T-Bolt ClampsTrident EPDM marine wet exhaust connections are molded of high-temperature black EPDM rubber with a smooth bore and cover; except elbows of 6" I.D. or bigger have molded reinforcing ribs on the outside.Features: Four stainless steel clamps are included This elbow has excellent resistance to ozone, salt water, diesel fumes and splashes, cold, heat, and aging Exceeds (SAE J2006-R1, and ABYC & NMMA P-1 exhaust standards) Black high-temp EDPM rubber Construction: Color: Black Reinforcement: Reinforcing ribs on 6" I.D. and above Temperature Range: up to 250AdegF (121AdegC) Specifications: Inner Diameter: (inch) 6" / (mm) 152.4 A: (inch) 7" / (mm) 178 B: (inch) 7" / (mm) 178 C: (inch) 2.25" / (mm) 57 D: (inch) 2.25" / (mm) 57 R: (inch) 1.75" / (mm) 44.4 W: (inch) 0.25" / (mm) 6.4 Elbow Degree: 90 degrees Quick Guide (pdf)