The 1" PEX × 1" FNPT No Lead Brass Adapter by Mueller Streamline is engineered for reliable connections between PEX and threaded piping systems. Constructed from high-quality brass, this adapter offers excellent durability and corrosion resistance. Its no-lead design meets safety standards for drinking water applications, ensuring peace of mind in plumbing installations. The 1" size allows for compatibility with standard PEX and FNPT fittings, facilitating easy installation and secure connections. This adapter is suitable for both residential and commercial plumbing projects.