Black 3 1/2", 89mm 45 Degree Silicone Hose Coupler Pipe Turbo Name45 degree Silicone Hose, Black Inside Diameter: 3 1/2 inches or 89 mm Length:4 inches + 4 inches or 102 mm + 102 mm Thickness of wall: 5 mm, 4 ply reinforced Size tolerance: +/-0.5 mm