Charlotte Pipe 1-1/2-in 90-Degree PVC DWV Elbow in the PVC DWV Pipe & Fittings department at Lowes.com
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