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
NIBCO 1-1/2 in. PVC DWV 45-Degree Hub x Hub Elbow Fitting C4806HD112 - The Home Depot
Charlotte Pipe 1 in. x 1/2 in. PVC Schedule 40 90-Degree S x FPT Elbow Fitting PVC023012800HD - The Home Depot
NIBCO® 1/2" Socket 90-Degree PVC Elbow with Side Outlet at Menards®
Charlotte Pipe 1-1/2-in 90-Degree Schedule 40 PVC Elbow in the PVC Pipe & Fittings department at Lowes.com