The AS568-469 SIMRIZ SZ485 is a high-quality seal featuring a 20" inner diameter and a 20 1/2" outer diameter with a 1/4" cross-section. Manufactured by Freudenberg-NOK, this seal is designed for optimal performance in demanding applications. The SIMRIZ material provides excellent resistance to a wide range of chemicals and high temperatures, ensuring durability and reliability. This product meets industry standards, making it suitable for various hydraulic and pneumatic systems. The AS568-469 is an ideal choice for engineers looking for a dependable sealing solution.