SharkBite 3/4 in. PEX Barb x 3/4 in. NPSM Female Brass Adapter Fitting (Bag of 25) UC530LF - The Home Depot
Replacing Copper Pipes and Fittings with SharkBite Push Fit Connectors - YouTube
SharkBite Lead-Free Insert 3/4 In. Barb x 1/2 In. Barb Brass PEX Coupling - Anderson Lumber
Video: How to Install Push-to-Connect Fittings | SharkBite
Pro-tip: Thinking of using Pex-A? Avoid Sharkbite (brand) brass fittings (found at some Lowes). The tiny shoulders make it next to impossible to get a proper fit on 90's and Tee's. :
SharkBite 3/4 in. PEX-A x 3/4 in. FNPT Brass Expansion Adapter UAB088LFA - The Home Depot
Video: How to Transition Between Different Pipe Types | SharkBite