Amazon.com: L.S.S. 5-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
3/4" 5-Way Furniture Cross - Warren Pipe and Supply
Formufit 1-1/4 in. Furniture Grade PVC 5-Way Cross in White (4-Pack) F1145WC-WH-4 - The Home Depot
Formufit 3/4 in. Furniture Grade PVC 5-Way Cross in White (8-Pack) F0345WC-WH-8 - The Home Depot
Amazon.com: Carvedexquisitely 3/4 inch 5-way PVC Pipe Fitting Connectors, Used For Building Furniture, Furniture Grade, DIY Garden Shelf Support Structure Storage Frame, White (4 pcs) : Patio, Lawn & Garden