WHK 20 PACK PEX Fittings 1/2 Inch X 1/2 Pex Drop Ear Elbow Female NTP Thread Adaptor,Use for Pex Pipe 1/2 Inch Fittings Connect and Fix Tub Spout,Shower Head (Brass) - Amazon.com
How to Install PEX Tubing with Quick Connect Fittings
SharkBite 1-in PEX Crimp Brass Tee in the PEX Pipe, Fittings & Specialty Tools department at Lowes.com