Compatibility Specifically designed for Siamp Optima 49 valves, this toilet dual flush button fits seamlessly with no compatibility issues, making it a reliable replacement part for your existing system. WaterSaving Efficiency The dual flush mechanism lets you choose the appropriate flush volume, promoting water conservation and reducing utility bills while maintaining effective flushing performance. LongLasting Material Constructed from grade ABS material, this flush button resists wear in moist bathroom environments, delivering dependable operation over the long term. Simple Installation A straightforward replacement that requires minimal tools; simply screw it in to instantly improve your toilet's functionality and appearance. Use scenarios Residential bathroom retrofit: a worn or nonfunctional flush button on a Siamp Optima 49 valve to restore smooth operation. Multitoilet installations in small offices or hotels: upgrade multiple toilets to a dualflush solution to save water and reduce expenses. Maintenance or remodel projects: quick upgrade during scheduled maintenance with minimal downtime and tools.