Quote Originally Posted by jadnashua View Post
Toto (at least in the USA) uses rebranded Korky stuff for the most part. You can buy the same thing at Lowes and many other sources, but it will say Korky for Toto rather than being labeled Toto.
The Lowels that I shop at carries Korky but nothing in 3". HD has the Fluidmaster 540AKR. Have to peek on the next flush but I doubt if the flapper is of the adjustable type, sure was nothing about that in the AS Cadet 3 install instructions.

Googling the Korky 5030BP or 3" version finds next to nothing. Your making it sound like it can be purchased easily but that's not the case.