WHK 3 Pack 1/2 Press Propress x 1/2 PEX Adapter Crimp Fittings Brass Coupling Connect from Cooper to Pex B Pipe（Lead-Free,Pro press 1/2 Inch) : Everything Else

Viega ProPress 3/4 in. Press x 1/2 in. MPT Zero-Lead Bronze

99620 - 1/2 PEX Press x 1/2 ProPress Adapter w/ Sleeve (Lead Free)

Press Brass Plumbing 1/2 PEX A Expansion x P Copper Pipe and

Adapter PEX Pipe, Fittings & Specialty Tools at

Press Copper Plumbing 1/2 PEX B Crimp x P Copper Pipe and PEX

Directly from One of the Biggest Plumbing Systems Manufacturers 5 PCS 3/4 inch Press X 3/4 inch PEX Crimp Coupling for Pex and Copper Tube Connection,

(Pack of 5) EFIELD 3/4 inch Press X 3/4 inch PEX Crimp Coupling Brass Adapters For Copper and Pex Pipe Connection, Full Port

Viega ProPress 3/4 in. x 1/2 in. Press Copper Reducer 77270 - The

WHK 6 Pack Propress Fittings 1 Inch 1 Press Propress

The Apollo PEX 1/2 in. Brass PEX Barb x 1/2 in. Press Adapter is designed to allow for the transition from ASTM B88 Type K, L, or M copper pipe to PEX

Apollo 1/2 in. Brass PEX-B Barb x 1/2 in. Press Adapter APXPR1212 - The Home Depot

Viega ProPress 3/4 in. Press x 1/2 in. MPT Zero-Lead Bronze