The 1-1/4" × 1" PEX No Lead Brass Coupling from Mueller Streamline is engineered for optimal performance in plumbing systems. Constructed from high-quality, lead-free brass, this coupling guarantees safety and compliance with health regulations. Its dimensions are perfect for connecting PEX pipes, ensuring a tight and leak-proof fit. This coupling is rated for high pressure and temperature, making it suitable for a variety of applications, including residential and commercial plumbing. It adheres to ANSI and NSF standards, providing peace of mind with every installation.