Partial or full flush: twobutton operation lets you choose reduced or full flush quantity, maximizing disposal effectiveness while minimizing water consumption with daily use. robustness: the precise 54 x 37 mm flush button is made of sturdy ABS material to ensure reliable function and longterm performance in your bathroom installation. Timesaving modernisation: knot attachment lets you retrofit your toilet flush in minutes, without special tools or an assembly service, saving time and costs with immediate use. Easy installation and compatibility: confirm flush valve compatibility before for effortless integration into springless flush systems and consistently toilet function. Use scenarios Home retrofit: upgrade a standard toilet to improve water efficiency while maintaining strong flush performance in everyday family use. Rental property upgrade: quick, tool modernization to reduce maintenance downtime and ongoing costs between tenants. Small or constrained spaces: install a compact, compatible flush button in tight or retrofit bathroom setups where springless systems are used.