In the realm of modern plumbing, two contenders stand out: PEX-a and PEX-b. Both are revolutionary advancements from the traditional copper and metal pipes of decades past. However, they differ in their composition, installation methods, and suitability for various applications. Let's delve deeper into the distinctions between PEX-a and PEX-b to help you make an informed decision for your next plumbing project.