6554513: IPEX 435515 Reducing Pipe Elbow, 3/4 x 1/2 in, Socket x FPT, 90 deg Angle, PVC, White, SCH 40 Schedule, 150 psi Pressure

Used to change direction in a pipe run by 90 deg. The socket end fits onto the pipe end and the FPT end fits a smaller size MPT fitting.