Sink Twice for Glacier Bay Dual Flush button sink twice This particular model comes with

This particular model comes with a new dual flush button

You will need to insert that same button into this lid and screw it in place

FluidMaster 400A (or other Fluidmaster 400 series) is best if you need a valve

5" (measured with the lid off)

For tanks measuring 19

Sink Twice for Glacier Bay Dual Flush button sink twice This particular model comes withThis is a Sink Twice with custom modifications allowing it to function with a Glacier Bay model dual flush toilet. *Please note this is not a "perfect fit" for Glacier Bay's dual flush, but it is functional and is modified to make it a good fit for the application. It is also the only sink in the world that we are aware of that will work for this application. This particular model comes with a new dual flush button.