The SIMRIZ SZ498 is engineered for optimal sealing with an inner diameter of 8" and an outer diameter of 8-1/4", featuring a thickness of 1/8". This product from Freudenberg-NOK meets AS568-266 standards, ensuring compatibility with a wide range of industrial applications. The advanced SIMRIZ material provides superior resistance to various chemicals and high temperatures, making it ideal for harsh operating conditions. Its precise dimensions guarantee a secure fit, minimizing the risk of leaks and enhancing the overall performance of your systems.