SharkBite
Adapter Elbow 1/2" brass barb insert x 1/2" brass female pipe thread elbow, use with true value #608-933 cinch clamps, need cinch tool true value #608-743 or copper crimp rings on cross link polyethylene pex tubing, after crimping you can immediately test each fitting to well over 100 psi, NSF listed brass inserts.
B&K Brass 1-in FIP x 1-in FIP Swing Check Valve - Lead-Free
Lasco Fittings 2 Slip Sch40 Cap
PEX Stick Pipe, Cold Water, Blue, 3/4-In. Rigid Copper Tube Size x 10-Ft.
PEX Stick Pipe, White, 3/4-In. Rigid Copper Tube Size x 10-Ft.
Genova Products PVC DWV Fittings Repair Coupling