Replacement flapper: designed for use on a selection of TOTO 3 inch flush valve tanks
Replaces the following TOTO flapper part numbers: THU138S, THU175S, THU331S, THU140S, THU299S, THU253S, THU277S, THU347S, THU275S, THU332S, THU369S, and THU499S
3 inch sealing surface