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
1-1/2“ Tee PVC Fitting 3 Way Elbow Connector, Furniture Grade 90 Degree Elbow Si | eBay
CIRCOPACK 1/2" PVC 3-way Elbow Fitting Connectors for 1/2 inch Schedule 40 PVC Pipe Furniture Grade, 3-way L PVC Connectors, 2 pieces - Amazon.com
Formufit 1/2 in. Furniture Grade PVC 3-Way Elbow in White (10-Pack) F0123WE-WH-10 - The Home Depot