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
The Plumber's Choice 3/4 in. Brass PEX Barb x 1 in. MIP 90-Degree Elbow Pipe Fitting (5-Pack) 34105PXML - The Home Depot