The invention relates to a sanitary fitting having at least one water outflow for forming a sheet-like jet, said fitting exhibiting at least one elongate outflow mouthpiece which delimits the outflow opening on both sides. In the case of an advantageous embodiment, the mouthpiece is designed such that it can rotate about a longitudinal axis which is parallel to the outflow plane, preferably about a longitudinal axis which is located in the outflow plane, in particular slit plane.