Flair-It
3/8 pex x 1/2 fpt swv bsp, swivel coupling, for pex or polybutylene, use to connect to a faucet or any 1/2" mpt, bsp means it will also work on a faucet that has parallel threads which are sometimes used in manufactured homes & rv's.
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