The 4MP-16FP Expander STR from Fittings Unlimited Inc is engineered for seamless transitions between different pipe sizes. This expander moves from 4MP to 16FP, making it versatile for various applications. Constructed from high-grade materials, it offers excellent durability and corrosion resistance. The fitting adheres to industry standards, ensuring compatibility with a wide range of systems. Its precise dimensions and threading allow for a secure, leak-free connection, making it ideal for plumbing, HVAC, and industrial uses. A must-have for professionals seeking reliable and efficient fittings.