TOTO COMBO KIT: (1) TOTO TSU99A.X Universal Fill Valve + (1)THU001Z Power Gravity Flush Valve with Flapper for Carolina Supreme Toilet TOTO THU001Z Flapper - Power Gravity Flush Valve - Includes Flapper - Power Gravity Flush Valve TOTO TSU99A.X Universal Fill Valve - Adjustable Height & Flow Rate - For 2 Piece Toilets Get Both Parts - Value Pack Great Price