Sink Twice for Glacier Bay Dual Flush button sink twice This smaller model measures 15

This smaller model measures 15

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

WATCH INSTALLATION VIDEO: https://youtu

5" - 21" (measured with lid off) please buy the Sink Twice original model WITH its expander kit

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

Sink Twice for Glacier Bay Dual Flush button sink twice This smaller model measures 15This 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.