This Irvine toilet tank features innovative AquaPiston technology, a patented flush engine that delivers a fast, powerful and virtually plug-free flush. 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. Pair this tank with the K-20485 bowl for a complete Irvine skirted toilet.
- 1.28 gpf (4.8 lpf).
- Right-hand Polished Chrome trip lever.
- Combines with the K-20485 bowl to create a complete K-20450-RA Irvine toilet.