NIBCO - Cast Copper Pipe Drain Coupling: 1″ Fitting, C x C, Pressure Fitting - 70590617 - MSC Industrial Supply
Streamline 1/2-in Copper Rolled-Stop Coupling at Lowes.com
The Plumber's Choice 1/2 in. Straight Copper Coupling Fitting with Rolled Tube Stop (5-Pack) 0012CCRC-5 - The Home Depot
10pcs) EZ-FLUID Plumbing 1/2" C X C LF Copper Slip Coupling Pressure Copper Fitting Without Stop,Sweat Solder Connection for Residential,Commercial - Amazon.com
1/2 Inch 6lb Lead Pipe x 15mm Copper Pipe Coupler / Connector Fitting | eBay
Copper Fittings - Landscape Products Inc.
NIBCO - Cast Copper Pipe Flared Coupling: 3/4″ Fitting, FL x M - 70494497 - MSC Industrial Supply
19.3mm ID Copper Fitting, 4x Copper Coupling w Sweat Ends for Plumbing - On Sale - Bed Bath & Beyond - 37367735
PROCURU 10-Pack 1/2-Inch Copper Coupling with Stop, C x C Sweat Connection, Certified Safe (CWCR0012-10P) - Amazon.com
Uxcell Reducing Copper Coupling Fitting Straight with Sweat End, 5/16 x 1/4 Inch ID for Refrigeration Adapter, Pack of 5 - Walmart.com