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 clampsVery high temp silicone/EDPM blend rubber - moldedThis elbow has excellent resistance to ozone, salt water, diesel fumes, splash, cold, heat, and agingExceeds (SAE J2006-R1, and ABYC & NMMA P-1) exhaust standards Blue very high-temperature silicone blended with EDPM rubber at 350°F (177°C) max continuousConstruction:Color: BlueTemperature Range: up to 350°F (177°C)Specifications:Inner Diameter: (inch) 3” / (mm) 76.2A: (inch) 5.25” / (mm) 133B: (inch) 5.25” / (mm) 133C: (inch) 1.75” / (mm) 44.4D: (inch) 1.50" / (mm) 38.1R: (inch) 2” / (mm) 50.8W: (inch) 0.25" / (mm) 6.4Elbow Degree: 90 degrees