4 Street Elbow 90°The 4 Copper x 4 Copper 90 Street Elbow is a plumbing fitting designed for changing the direction of copper piping systems. One end is male (street end) and the other is female (cup end), allowing it to fit directly into another fitting without the need for an additional pipe section. It is widely used in plumbing, HVAC, and fire protection systems. Specification Value TYPE 90 Elbow DESIGN 90 degree bend allows for sharp turns in piping layouts