3" ID 90-Degree Blue Silicone Molded Wet Exhaust Elbow with 4 T-Bolt ClampsTrident silicone-blend rubber marine wet exhaust connections. They are molded in very high-temperature blue silicone EPDM blended rubber with a smooth bore and cover. Features: Four stainless steel t-bolt clamps Very high temp silicone/EDPM blend rubber - molded This elbow has excellent resistance to ozone, salt water, diesel fumes, splash, cold, heat, and aging Exceeds (SAE J2006-R1, and ABYC & NMMA P-1) exhaust standards Blue very high-temperature silicone blended with EDPM rubber at 350AdegF (177AdegC) max continuous Construction: Color: Blue Temperature Range: up to 350AdegF (177AdegC) Specifications: Inner Diameter: (inch) 3" / (mm) 76.2 A: (inch) 5.25" / (mm) 133 B: (inch) 5.25" / (mm) 133 C: (inch) 1.75" / (mm) 44.4 D: (inch) 1.50" / (mm) 38.1 R: (inch) 2" / (mm) 50.8 W: (inch) 0.25" / (mm) 6.4 Elbow Degree: 90 degrees Quick Guide (pdf)