Exact Fit for ToTo Models: Compatible with popular ToTo flush valve models THU440-A, THU451, 10A-A, and more. This silicone replacement ring offers precise dimensions for a perfect fit, providing a reliable solution for your flushing needs Product Size: outer diameter is 3-3/16 inches (80 mm), inner diameter is 2-1/8 inches (54 mm), thickness is 0.1 inches (3 mm) High-Quality Silicone Gasket: Meet your ToTo toilet's needs with this premium silicone sealing gasket. Say goodbye to leaks and poor flushing pressure – this gasket ensures a tight, durable seal for optimal performance Easy to Install: No need to call a plumber, it can be installed in just a few minutes Convenient Four-Pack: Each pack includes four silicone seal rings, providing value and convenience Introducing the Suitable for Toto flush valve silicone sealing gasket THU440-A, THU451, 10A-A replacement ring - a high-quality product designed to solve common seal issues and provide superior sealing for your Toto toilet. Are you tired of dealing with poor sealing and leaks in your toilet's flush valve? Look no further! Our silicone sealing gasket is the perfect solution for ensuring a tight fit, durability, and wear-resistance. Say goodbye to noisy operations and hello to better flushing pressure with our flush valve seal that is compatible with popular Toto models like THU407. This versatile two-pack of silicone gaskets is precisely designed to offer a perfect fit for various drainage valves, providing you with convenience and value for your money. You don't need to stress about calling a plumber for installation - our product offers an easy-to-follow process that saves you time and hassle. Upgrade your Toto toilet with our flush valve gasket replacement ring for a water-tight seal that prevents leaks and ensures smooth flushing every time. Don't let a slow or faulty flush valve disrupt your daily routine - invest in our replacement parts for Toto toilets and enjoy a quiet and efficient operation. Enhance the performance of your toilet tank with our durable silicone gasket that can withstand wear and tear, offering you long-lasting reliability. Whether you need spare canister rubber seals or a new gasket for your flush valve, our product is designed to meet your needs and exceed your expectations. Experience the difference with Suitable for Toto flush valve silicone sealing gasket THU440-A, THU451, 10A-A replacement ring - the ultimate solution for your Toto toilet parts. Upgrade your toilet with our premium gasket replacement and enjoy a leak-free and efficient flushing system. Add it to your cart now!