Durable plastic construction: corrosionresistant plastic button pusher and threaded rod built to withstand daily use in humid bathroom environments without rusting or degrading. Universal compatibility: dual flush valve replacement kit designed to fit most standard toilet tanks, suitable for both modern and traditional bathrooms. Simple, tool installation: screwin design allows quick replacement of worn or broken flush buttons in minutes, with no plumber needed. Dual flush button design: round dualbutton layout for efficient watersaving control. Light flush for liquids and full flush for waste help reduce water consumption. Use cases: Replacing a worn or broken flush button in a home bathroom to restore reliable operation. Upgrading an older toilet in a rental property to a dualflush system for better water efficiency. Retrofitting a traditional toilet during a remodel to maintain performance while enabling watersaving options.