Charlotte Pipe 3/4 in. PVC Schedule 40-FPT Cap PVC 02117 1000HD - The Home Depot
Amazon.com: 20PACK 3/4 Inch Female PVC Pipe End Cap 3/4 Inch Female Threaded Plug Adapter, SCH 40 PVC Pipe threaded Cap Fitting 3/4" PVC Pipe Female Plug Socket for Plumbing Water Line,
30Pack 3/4 Inch PVC End Cap Fittings, Flat PVC Cap for Build PVC Furniture, Schedule 40 Furniture Grade PVC Pipe Cap Plug Adapter, White PVC Slip Caps Socket Fittings for DIY Garden
Charlotte Pipe 3 in. PVC Schedule 30 Thin-Wall Socket Cap PVC 01116 0600HD - The Home Depot