Kohler K-4276-96 Wellworth Elongated Toilet Bowl, Biscuit An American benchmark for innovation and performance for more than 65 years 12-Inch rough-in (can also be used for 14-Inch rough-in) Combines with K-4620 Wellworth toilet tank to create K-3422 Wellworth elongated toilet with 12-Inch rough-in Combines with K-4621 Wellworth toilet tank to create K-3438 Wellworth elongated toilet with 14-Inch rough-in Please see K-3422 Wellworth elongated toilet or K-3438 Wellworth elongated toilet for full details