Sink Twice for Glacier Bay Dual Flush button sink twice 5" (measured with the lid

5" (measured with the lid off)

This particular model comes with a new dual flush button

you will need to remove the existing button from your ceramic toilet tank lid by unscrewing the rotary shaped nut (picture above)

6 GPF toilet

For tanks measuring 19

Sink Twice for Glacier Bay Dual Flush button sink twice 5" (measured with the lidThis 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.