Features: Designed as a direct replacement for standard flush adapter seals, this silicone gasket ensures leak proof performances with easy installation for toilet tanks maintenance. The 70mm diameter silicone washer features superior durability and precise fitment, engineered to withstand repeated compression cycles in standard flush adapter systems. for homeowners, professional plumbers, and enthusiasts seeking stable toilet repair parts for bathroom hardware upgrades. Perfect for resolving common toilet tanks leaks, maintaining water efficiency, and restoring optimal flushing performances in residential or commercial bathrooms. Each complete seal set includes all necessary components for seamless compatibility with major flush adapter models, ensuring long term reliability in high moisture environments. Specifications: Component : plastic Outer diameter: about 70mm/2.75inch Package Includes: 1 set Flush adapter Seal note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.