This Kelston toilet features ContinuousClean, an automatic dispensing system that delivers a consistent amount of toilet bowl cleaner with every flush to keep your bowl cleaner longer. Simply place a cleaning tablet in the tank compartment, set the desired amount with the adjustment dial, and the system does all the work. This water-efficient toilet also utilizes the innovative Revolution 360 and AquaPiston technologies to deliver a fast, powerful, and virtually plug-free flush.