The AS568-469 20" ID x 20 1/2" OD x 1/4" SIMRIZ SZ486 seal by Freudenberg-NOK is a premium sealing solution designed for industrial applications. With precise dimensions of 20 inches inner diameter and 20.5 inches outer diameter, this seal ensures a perfect fit for various systems. Constructed from SIMRIZ material, it boasts excellent resistance to chemicals and high temperatures, making it suitable for harsh environments. This product adheres to industry standards, ensuring compatibility and reliability in diverse applications requiring effective sealing.