The Plumber's Choice 1/2 in. Straight Coupling Pipe Fittings Push to Connect PEX Copper CPVC Brass (5-Pack) 125UPSC - The Home Depot
Brass PEX Fittings All in One Kit with 12 Pcs 1/2" Tee Elbow Coupling Pipe Fittings,Pex Cinch Clamp Fastening Tool and 26 Pcs 1/2" PEX Clamps - Amazon.com
iCrimp 1/2 Inch Brass PEX Coupling Splice, PEX Coupler, Lead Free F180 — Iwiss Tools Co Limited
¾” Lead-free* F1807 PEX Coupling - The Brass Warehouse
1" PEX x 3/4" PEX Coupling Reducer Lead Free Brass Crimp Cinch No Lead | eBay
Pack of 55) EFIELD 1/2" Pex fittings: 40 Pieces Pex Stainless Steel Clamps, Tee, Elbow and Coupling 5 Pieces each - Amazon.com
SharkBite 3/4 in. PEX Barb Brass Polybutylene Coupling Fitting UC4016LFA - The Home Depot