LIONMAX Pex A Expansion Fittings 1/2 Inch, Expansion Pex Fittings 24 PCS, include Expansion 90 Degree Elbow (12 PCS) + Expansion Coupling (12 PCS), for Pex A Pipe, F1960 - - Amazon.com
EFIELD Pex-A Pipe/Tubing Blue & Red 3/4 inch 2 x100 ft (200 ft) Length for Potable Water-for Hot/Cold Water-Plumbing Applications, with Free Pipe Cutter - - Amazon.com
Apollo Expansion Pex 32-Port PEX-A Manifold with 1/2 in. Brass Ball Valves EPXMANI32 | Zoro
PEX A vs PEX B: Pros and Cons - Williams Plumbing
PEX-A vs PEX-B vs PEX-C | Tubomart
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. :
Apollo 1 in. Brass PEX-A Expansion Barb x 1 in. MNPT Male Adapter EPXMA11 - The Home Depot
Overview: Types of PEX and Ways to Connect – Aquor Water Systems
PEX-A
What You Need to Know About PEX Plumbing Pipe | Family Handyman