Blue 2 1/2", 63mm 45 Degree Silicone Hose Coupler Pipe Turbo Name45 degree Silicone Hose, Blue Inside Diameter: 2 1/2 inches or 63 mm Length:4 inches + 4 inches or 102 mm + 102 mm Thickness of wall: 5 mm, 4 ply reinforced Size tolerance: +/-0.5 mm