The replacement flapper for the 540AKR is made by Fluidmaster. It is a hard plastic flapper with a silicone seal at the bottom side. The flapper comes complete with the seal on the bottom side of the flapper, and the chain.
The replacement flapper for the 540AKR is made by Fluidmaster. It is a hard plastic flapper with a silicone seal at the bottom side. The flapper comes complete with the seal on the bottom side of the flapper, and the chain.