The Plumber's Choice 3/8 in. Brass PEX Barb Plug End Cap Pipe Fitting (5-Pack) 38EPPL5 - The Home Depot

The Lead Free Brass PEX Barb Plug is designed for use with PEX in potable water and radiant heating systems. This plug fitting is to close PEX tubing for termination of a pipe. It can permanently cap off the end of PEX tubing or can be used temporary for pressure testing purposes.

The Plumber's Choice 1 in. x 3/4 in. x 1 in. Brass PEX Barb Reducing Tee Pipe Fittings (5-Pack) 13415PXRT - The Home Depot

Everbilt 3/8 in. Flare Brass Plug Fitting 801469 - The Home Depot

PEX Barb Sweat Adapter is made of a lead-free DZR brass, and is an easy to install, low-cost solution to connect to PEX tubing. These fittings allow

The Plumber's Choice 1/2 in. Brass Male Sweat Copper Adapter x 3/8 in. Pex Barb Pipe Fitting (5-Pack) 12385PSMA - The Home Depot

LTWFITTING 5/16 in. ID Hose Barb x 3/8 in. MIP Lead Free Brass Adapter Fitting (25-Pack) HFLF39185625 - The Home Depot

The Plumber's Choice 3/8 in. Plastic PEX Poly Alloy Plug End Cap Barb Pipe Fitting (5-Pack) 0038PPPL-5 - The Home Depot

The Plumber's Choice 5/8 in. Brass PEX x PEX x PEX Barb Tee Pipe Fittings (10-Pack) 5810PXTE - The Home Depot

The Plumber's Choice 3/8 in. Elbow Pex Fitting, Expansion Pex A Elbow Brass No Lead, 90° for Use with Pex A Tubing XQMO0038-OM - The Home Depot

The Plumber's Choice 3/4 in. Brass PEX Barb x 1 in. Female Pipe Thread Adapter Fitting (5-Pack) 34105EPFA - The Home Depot

The Plumber's Choice 3/8 in. Brass PEX Barb Plug End Cap Pipe Fitting (5- Pack) 38EPPL5 - The Home Depot