This Cimarron tank combines high-powered flush performance with a classic style that blends with traditional or contemporary decors. The tank features innovative AquaPiston technology, a patented flush engine that delivers a fast, powerful, and virtually plug-free flush. Pair it with the K-4309 bowl for a complete toilet. 1.6 gallons per flush (gpf). Standard left-hand Polished Chrome trip lever included. Supply line not included. Combines with the K-4309 bowl to create a complete K-3589 Cimarron toilet. Coordinates with other products in the Cimarron collection. DryLock‚Ñ¢ System saves installation time and helps prevent water leakage.