SharkBite 3/8 Inch x 1/2 Inch NPSM Crimp Swivel Adapter, Brass Plumbing Fittings, PEX Pipe, PE-RT, UC527LFA - Faucet Aerators And Adapters - Amazon.com
Apollo 3/8 in. Brass PEX-B Barb x 1/2 in. Male Pipe Thread Reducing Adapter APXMA3812 - The Home Depot
SharkBite 3/8-in PEX (1/2-in O.D) x 1/2-in NPSM Brass Female Swivel 90-Degree Elbow in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com
3/8" Pex x Street Copper Adapt Pex x St Copper Adapters , Pex x Street Copper Adapt 3/8" 38XSCA – PlumberStop
3/8" x 1/2" Pex Barb Swivel Elbow Use To Connect Pex Tubing To A Mal, Each - Walmart.com