Description Toto 9BU024E Tank-to-Bowl Dry Gasket (4.1 inch x 3.0 inch) (104mm x 76mm) 104mm x 76mm 4.1 inch Outer Diameter x 3.0 inch Inner Diameter 3.8 inch (96mm) Inner Lip 1.2 in or 30mm Tall Fits two piece toilets Sits between toilet tank and base to protect porcelain Fits Flush Valve. FLUSH VALVE NOT INCLUDED Fits Toto models: Drake (#454, #743, #744, #743EN, #744EN), Carrollton (#744), Clayton (#784), Dartmouth (#754, #753), Entrada (#243, #244), Guinevere (#974),  Mercer (#755, #756), Nexus (#794), Pacifica (#804, #904), Promenade (#423, #424, #723, #724), Vespin (#474, #454, #764, #707), Whitney (#754)