4-Ply Aramid Reinforced Silicone Hump Hose Coupler, 4.500 in. Inner Diameter, 0.180 in. Wall Thickness, 6 in. Length, 3 Stainless Steel Reinforcement Rings, 45 psi Max Operating Pressure, Black Finish|Vibrant Performance 4-Ply Aramid Reinforced Silicone Hump Hose Coupler.