10Pcs) EZ-FLUID Plumbing 3/4" Solder Copper Pipe End Cap LF,Pressure Copper Cap Plug Fitting with Sweat Solder Connection for Residential,Commercial - Amazon.com
Everbilt 3/4 in. Copper Tube Cap C617 - The Home Depot
Value Collection - Wrot Copper Pipe Cap: 3/4″ Fitting, C - 45278447 - MSC Industrial Supply
Streamline 3/4-in Copper Tube Cap in the Copper Pipe & Fittings department at Lowes.com