31615-7 Kohler Cimarron 1.28 GPF Toilet Tank Black Black

• 1.28 gpf (4.8 lpf)
• Left-hand Polished Chrome trip lever
• Combines with the K-31588 Toilet Bowl to create a complete K-31621 Cimarron elongated toilet
• Single-flush gravity uses the force of gravity and a precision-engineered tank, Toilet Bowl, and trapway to create a strong siphon during flushing
• AquaPiston canister allows water to flow out of the tank from all sides (360 degrees), increasing the power and effectiveness of the flush
• Flush valve's 3:2 ratio harnesses the natural force of gravity and optimizes flush performance
• Durable canister design has 90% less exposed seal material than a 3" flapper for leak-free performance
• Light-touch canister flush requires a lower actuation force than a flapper

Specification Sheet

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 Toilet Bowl for a complete Cimarron K-31621 elongated toilet.