About this item

• Perfect Fit: Specifically designed to be compatible with Toto THU440-A, THU451.10A-A, and THU826-A flush valves. Ensures a seamless replacement for your toilet's flush valve gasket
• Precise Dimensions: With an outer diameter of 3-3/16 inches (80 mm), an inner diameter of 2-1/8 inches (54 mm), and a thickness of 0.1 inches (3 mm). Please verify these dimensions before purchasing to ensure a proper fit
• Premium Material: Crafted from top-notch silicone, this toilet flush valve seal offers excellent sealing, high wear-resistance, durability, and tough, break-resistant performance for long service life
• Enhanced Flushing: This toilet flush valve seal fits flush valves snugly, boosting flushing pressure for quiet operation. Fixes seal bubbles, poor sealing, and leaks to prevent water waste
• DIY Installation: No plumber needed! Install in minutes with this step-by-step guide: turn off water, empty tank, remove flush valve, twist counterclockwise to open, swap old seal with new, reinstall and test for leaks