3/4" Nominal Copper Sweat X 3/4" Fip Threaded ,CxF, Lead Free Cast Brass Drop Era 90 Degrees Elbow with Sweat Socket and Female Threaded Plumbing Fittings, suitable for applications with a maximum pressure of 125 Lbs. In particular, this fitting is made of cast brass and meets Lead free standard. and , the connects are suitable for pipes with a nominal diameter of 3/4 inch (copper tubing), with one female copper solder end and a female threaded connect. In addition, the elbow has drop ear tabs for secure and safe mounting on a surface. this is a lead free product that can be used in potable water applications.