Streamline 3/4-in Copper Rolled-Stop Coupling (25-Pack) in the Copper Pipe & Fittings department at Lowes.com
Streamline 3/4 in. Copper Press Pressure Tube Cap Fitting PF 07009H - The Home Depot
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
1 PC. 3/4" Push-Fit Cap for Copper, CPVC, Pex 7/8" OD Pipe, Lead Free | eBay
77717 - Viega 77717 - 3/4" ProPress Copper Cap
10 pcs 3/4" COPPER CAP COPPER PIPE END CAP (FITS 7/8" OD COPPER PIPE) | eBay
PATIKIL 3/4 Inch ID Copper Pipe End Cap, Copper Fitting Cap Sweat Plug Solder Connection for Plumbing HVAC Air Conditioner - Amazon.com