Formufit 1/2 in. Furniture Grade PVC 3-Way Elbow in Black (10-Pack) F0123WE-BK-10 - The Home Depot
3/4 in. 3-Way PVC Elbow - AndyMark, Inc
Formufit 1 in. Furniture Grade PVC 3-Way Elbow in White (4-Pack) F0013WE-WH-4 - The Home Depot
1/2" 3-Way PVC Furniture Fitting - Side Elbow
PVC Elbow Connector, 3 Way Pipe Fittings 10PCS 20mm Inner Diameter Easy To Connect Multifunctional For Tent Connection For Furniture Installation White - Walmart.com
Amazon.com: letsFix 3 Way PVC Fittings 1/2 Inch (10-Pack), Furniture Grade PVC Pipe Connector PVC Elbow for All DIY PVC Structure and Frames - Fits 1/2" Sch 40 PVC Pipes : Industrial & Scientific
Amazon.com: 1CAMO 3-Way Tee PVC Fittings for 1 Inch PVC Pipe, SCH 40, White - 1 Inch PVC Elbow Fittings PVC Pipe Connectors - Build Heavy Duty Furniture with 1 Inch PVC
1/2 in. 3-Way Elbow PVC Fitting (Box of 100) — FORMUFIT Direct