Kohler Cimarron Collection K-4421-0 1.28 GPF High Efficiency Toilet Tank with AquaPiston Flush Technology and Left-Hand Polished Chrome Trip Lever in White Color

The Cimarron Collection K-4421-0 1.28 GPF High Efficiency Toilet Tank is WaterSense®-labeled and combines water efficiency with the versatile style. A 1.28-gallon flush provides significant water savings of up to 16,500 gallons per year, compared to a 3.5-gallon toilet, without sacrificing performance. This tank features innovative AquaPiston technology, a patented flush engine that delivers a fast, powerful, and virtually plug-free flush.