Danco HYR270 HydroRight Drop In Dual Flush ConverterHighlights: Converts standard flush toilet to a dual flush Split handle lever flush design Quick flush can use up to 70% less water No tools necessary No need to remove the tank to install Works with most standard flush valves that use a flapper Mansfield toilets require installation of a standard flush valve sold separately Works on front and side mount levers Eliminates the most common problems in toilets, the flapper, chain and handle