The Mansfield 206-1112 flush valve is a 3 inch flush valve designed for the Mansfield tank models, 102, 106, 108, 112, 185, 187, 188, 195, 3106, 3108, 3147, 3148, 3185, 3195, and the model 3916. The flush valve will come complete with the flapper, flush valve nut, and gasket. You can also use this part with the Large flush valve wrench for Mansfield, to make the installation easier!