The Midline Valve NQY012-5 PEX Manifold Adapter Fitting is a reliable solution for connecting 1/2 in. PEX tubing to 3/4 in. PEX manifold outlets. Designed for efficiency and durability, this adapter makes it easy to expand or modify PEX water distribution and hydronic heating systems. Constructed from high-quality brass with a corrosion-resistant nickel finish, this fitting delivers secure, leak-free connections you can trust. Its precision threading ensures a tight seal, while the compact design allows for quick and straightforward installation, helping reduce labor time and overall project costs. Ideal for both residential and commercial plumbing applications, this adapter supports the advantages of PEX systems, including flexibility, durability, and ease of installation. California Proposition 65 Warning: This product contains chemicals known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov .