TOTO TSU01W.12 Unfit Rough-In, 12-Inch Not compatible with all Toto models, check your specifications sheet Only to be purchased if you wish to convert your existing toilet TOTO leads and never follows in designing, engineering, refining and delivering innovative technology that enhances your daily life TOTO installations offer peace of mind and performance you can count on TOTO Reliability translates into reduced maintenance costs and superior performance