Flair-It PEXLOCK 16810 Pipe Elbow, 1/2 x 3/8 in, MPT, 90 deg Angle

For hot and cold water. 3/8 in and 1/2 in fits PEX or polybutylene tubing only. 3/4 in fits PEX tubing only, to use on polybutylene use a PEX to polybutylene transition fitting. Bar coded.