8Pcs Straight Copper Coupling Rolled Tube Stop Pipe Fitting 1/4 Inch ID Welding

5Pcs Straight Copper Fittings, 3/8" ID Copper Coupling with Dimple Stop Strai...

10PCS 1/4" ID Copper Coupling with Dimple Stop Straight Sweat Pipe Fitting Pr...

Brass Compression Tube Pipe Fitting Connector, Straight Coupling Adapter, 3/8

1/2" to 3/8" ID Copper Reducer 8pcs Reducing Coupling Pipe Tube Adapter

10PCS 3/8" ID Copper Coupling with Dimple Stop Straight Sweat Pipe Fitting Pr...

1-3/8” Straight Copper Coupling Sweat Sockets Without Tube Stop CxC Pipe Fitting

7/8” OD C x C Straight Coupling Rolled Tube Stop - COPPER PIPE FITTING