The SharkBite UC412LF PEX Barb Reducing Tee Fitting is designed for creating a branch line in PEX tubing water distribution and hydronic heating systems. Constructed from lead-free DZR (Dezincification Resistant) brass, this fitting ensures corrosion resistance and long-lasting performance. It features three barb connections with nominal sizes of 3/4 inch for the main run and 1/2 inch for the branch, compatible with PEX-A, PEX-B, and PEX-C tubing. Installation is achieved using either copper crimp rings or stainless steel clamp rings. This fitting is NSF 14 and NSF 61 listed for potable water, meets ASTM F877 and ASTM F1807 standards, and complies with UPC, IPC, and cUPC requirements. It is rated for a maximum working pressure of 160 psi and a maximum temperature of 200°F