In a minority of toilet cisterns the flush outlet in the bottom of the toilet cistern is 2" instead of the standard 1_". This 2" seat adaptor from FlushKING is for use when using a FlushKING cable flush valve in a toilet cistern with a 2" flush outlet hole.
Manufacturer Product Number
Which one is the Flush Valve in my toilet cistern?
Knowing what the part are in a toilet cistern shouldnt worry you.