FORMUFIT 1-1/2" 3-Way PVC Elbow Furniture Grade Fitting in White, 1.9" Actual ID, (Pack of 4), Made In USA, UV-Resistant, Impact-Proof, Easily Build 3-Point Corners with PVC Pipe - F1123WE-WH-4: Amazon.com: Industrial
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3-Way Elbow PVC Pipe Fitting,Furniture Grade,1-1/4-inch Size Tee Corner Fittings Blue - Walmart.com
Charlotte Pipe + Foundry Co - 3 X 4 PVC-DWV Sch 40 Reducing Closet Elbow HxH 329