The SharkBite Brass Expansion to Copper Press Adapter is engineered to simplify transitions in modern plumbing systems. Crafted from lead-free DZR brass, it delivers superior corrosion resistance and meets NSF/ANSI 61 and 372 standards for potable water applications. Designed for dual compatibility, this adapter connects PEX-a tubing directly to copper press systems-no special adapters or open flames required. Its integrated copper press end works seamlessly with standard press tools and jaws, ensuring a secure, permanent connection every time. Ideal for mixed-material systems, it reduces the need for multiple fittings and cuts down on jobsite inventory. Whether for new construction or retrofit projects, this adapter helps professionals save time, reduce complexity, and get the job done right.