KOHLER K-31615-DRYRA Cimarron Toilet tank, 1.28 gpf

This Cimarron 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-31588 or K-31589 bowl for a complete Cimarron elongated toilet.

• 1.28 gpf (4.8 lpf)
• Right-hand Polished Chrome trip lever
• Combines with 31588, 31589 bowl to make a complete 31621-DRYRA, 31641-DRYRA toilet
• AquaPiston canister optimizes the flow out of the tank, harnessing gravity and the natural, powerful reducing cascade of water to increase the power and effectiveness of the flush
• Easy-to-flush canister design requires less force to actuate than a 3" (76 mm) flapper, and has 90% less exposed seal material which resists conditions that cause wear, tear, shrinkage and swelling