Description Weld Style stainless Y Y's move liquids faster because they have less friction loss than Tees Dimensions: 2.5 inch O.D. tubing aka 63.5 mm A = 7 inch B = 14 inch 81570018 4999-1000-160 Related Items; 17132 HD Clamp for 2.5 inch 1000-325 Clamp weld on long ferrule 1000-335 Clamp weld on short ferrule