The Plumber's Choice 3/4 in. x 1/4 in. Copper Reducing Coupling Fitting with Rolled Tube Stop (Pack of 5) 3414CCRC-5 - The Home Depot

Everbilt 3/4 in. Copper Pressure Slip Coupling Fitting C601HD34 - The Home Depot

The Plumber's Choice 1 in. x 3/4 in. Push to Connect Reducing Coupling Pipe Fitting, for PEX, Copper and CPVC Piping 134UPSC - The Home Depot

Supply Giant DDSD0342-5 Reducing Copper Coupling Fittings With Sweat Ends And Rolled Tube, 3/4 X 1/2 Inch : Industrial & Scientific

NIBCO 3/4 in. Copper Press x Press Pressure Repair Coupling with No Stop PC60134 - The Home Depot

HVAC and refrigeration tubing is measured by the outside diameter or OD of the pipe/tube. See description below for more details. Change your pipeline

Copper Fitting 3/4 Inch (HVAC Outer Dimension) 5/8 Inch (Plumbing Inner Dimension) - Straight Copper Coupling Fittings With Rolled Tube Stop & HVAC –

The Plumber's Choice 3/4 in. x 1/2 in. Copper Reducing Coupling Fitting with Rolled Tube Stop (5-Pack) 0342CCRC-5 - The Home Depot

Copper Fitting 3/4 Inch (HVAC Outer Dimension) 5/8 Inch (Plumbing Inner Dimension) - Straight Copper Coupling Fittings With Rolled Tube Stop & HVAC – 99.9% Pure Copper - 5 Pack

The Plumber's Choice 3/4 in. x 1/2 in. Push to Connect Reducing Coupling Pipe Fitting, for PEX, Copper and CPVC Piping 3412UPSC - The Home Depot

The Plumber's Choice 3/4 in. x 3/4 in. x 1/4 in. Copper Reducing Tee Fitting with Solder Cups (5-Pack) 3414CCRT-5 - The Home Depot

The Plumber's Choice 3/4 in. Sweat x 1-1/4 in. MIP Copper Reducing Male Adapter Fitting (5-Pack) 3414CCMA-5 - The Home Depot

What is this?, Air conditioning and refrigeration accessories plumbing adapter, copper reducing brazing, widely used to connect pipelines, such as air

Uxcell Reducing Copper Coupling Fitting Straight with Sweat End, 5/16 x 1/4 Inch ID for Refrigeration Adapter, Pack of 5

Supply Giant DDSD0342-5 Reducing Copper Coupling Fittings With Sweat Ends And Rolled Tube, 3/4 X 1/2 Inch : Industrial & Scientific

Copper Fitting 3/4 Inch (HVAC Outer Dimension) 5/8 Inch (Plumbing Inner Dimension) - Straight Copper Coupling Fittings With Rolled Tube Stop & HVAC – 99.9% Pure Copper - 5 Pack

The Plumber's Choice 3/4 in. x 1/2 in. Push to Connect Reducing Coupling Pipe Fitting, for PEX, Copper and CPVC Piping 3412UPSC - The Home Depot