FORMUFIT 1/2" 3-Way PVC Elbow Furniture Grade Fitting in Black, 0.84" Actual ID, (Pack of 10), Made In USA, UV-Resistant, Impact-Proof, Easily Build 3-Point Corners with PVC Pipe - F0123WE-BK-10: Amazon.com: Industrial
2-1/2 in. Schedule 40 PVC Pipe 90-Degree Slip x Slip Elbow Fitting (25-Pack) 406-025-25-P - The Home Depot
Formufit 1/2 in. Furniture Grade PVC 3-Way Elbow in White (10-Pack) F0123WE-WH-10 - The Home Depot
3 Way Elbow for CPVC Plumbing Pipes | Finolex Pipes