1.Compatibility: Specifically designed to be compatible with Kohler 1131496, this flush valve seal fits into various toilet models. Its precise dimensions of 2.5 x 2.5 x 0.1 inches guarantee a excellent match, ensuring optimal performance. 2.Leak-Proof Design: Our toilet flush valve seal features an advanced leak-proof design, providing a tight and secure fit. This innovative design minimizes water waste and ensures efficient flushing, contributing to water conservation efforts. 3.Reliable performance：Engineered for consistent and reliable performance, this flush valve gasket maintains its effectiveness over time. Its robust construction and excellent sealing capability ensure your toilet operates smoothly, reducing the need for frequent maintenance. 4.High-Quality Silicone Material: Crafted from premium silicone, this toilet tank gasket offers superior durability and long-lasting performance. It ensures a reliable seal and effectively prevents leaks, maintaining the integrity of your toilet system. 5.Easy Installation: Installation is straightforward and hassle-free. The canister flush valve seal is designed for easy replacement, allowing both DIY enthusiasts and professional plumbers to install it quickly and efficiently without any special tools Specifically designed for compatibility with Kohler 1131496, this flush valve seal fits various toilet models. Its precise dimensions of 2.5 x 2.5 x 0.1 inches ensure an excellent match, guaranteeing optimal performance. The flush valve seal features an advanced leak-proof design, providing a tight and secure fit, minimizing water waste and ensuring efficient flushing, contributing to water conservation efforts. Engineered for consistent and reliable performance, it maintains its effectiveness over time, with robust construction and excellent sealing capability, ensuring your toilet operates smoothly and reducing the need for frequent maintenance. Crafted from premium silicone, this flush valve seal offers superior durability and long-lasting performance, ensuring a reliable seal and effectively preventing leaks, maintaining the integrity of your toilet system. Installation is straightforward and hassle-free, designed for easy replacement, allowing both DIY enthusiasts and professional plumbers to install it quickly and efficiently without any special tools.