An American classic, this Wellworth toilet tank combines high-performance flushing power with graceful, gently curved lines. The streamlined silhouette pairs with a coordinated bowl for a customized ensemble. 1.6 gallons per flush (gpf). Right-hand trip lever included. Supply line not included. Combines with the K-4199 bowl to create a complete K-3979-RA Highline toilet. Coordinates with other products in the Wellworth collection.