2pcs 0.8" PVC Water Pipe Fittings 4 Way Tee Cross Joint Connectors Adapters - Gray - Bed Bath & Beyond - 36327175
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