Install the Aquabarrel Dual Flush Toilet Kit, Push Button, and convert your existing toilet into an efficient dual flush toilet. The low flush setting can let just enough water into the bowl for liquid flushes. The full flush mode activates the full flushing function. This model fits virtually any toilet tank with a 2"-2"1/2" (I.D.) outlet. If you have a Mansfield toilet or any 2 piece toilet built before 2001 it will work with this model. This Dual Flush Toilet Kit, Push Button will even fit your toilet if the tank is over 8" tall. It is easily installed in 30 minutes with no special skills. Save water and install the Aquabarrel Dual Flush Toilet Kit, Push Button!