Kohler® Toilet Tank, Series: 31615, Cimarron® Collection, 1.28 gpf Gallons per Flush, Left Hand Trip Lever Flush Handle, 14-3/4 in Height, 18-5/8 in Width, 18-5/8 in Depth, Vitreous China, White

Kohler® Toilet Tank, Series: 31615, Cimarron® Collection, 1.28 gpf Gallons per Flush, Left Hand Trip Lever Flush Handle, 14-3/4 in Height, 18-5/8 in Width, 18-5/8 in Depth, Vitreous China, White

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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 16500 gal per year, compared to a 3.5 gal toilet, without sacrificing performance. Pair this tank with the K-31588 bowl for a complete Cimarron K-31621 elongated toilet.