SharkBite 1/2" Barb x 3/4" FIP PEX Brass Adapter is a reliable and easy-to-install solution designed for connecting PEX tubing. Made from lead- DZR brass, this adapter a durable and low-cost option for plumbing needs. It is typically used with PEX-B tubing but is also compatible with PEX-A. The fitting features a barb connection on one end and a female NPT threaded connection on the other, allowing it to work seamlessly with stainless steel clamp systems or copper crimp ring systems, which are sold separately. This adapter is suitable for potable water distribution and hydronic heating applications, meeting important standards including ASTM F1807, NSF/ANSI 61, and NSF 372. Model Number: