The AS568-468 SIMRIZ SZ501 is a robust sealing solution with a 19 1/2" inner diameter and a 20" outer diameter, featuring a 1/4" cross-section. This product from Freudenberg-NOK is engineered for high-performance applications, providing exceptional sealing capabilities in harsh environments. The SIMRIZ material is known for its chemical resistance and thermal stability, making it ideal for use in various industrial sectors. This seal complies with industry standards, ensuring compatibility with numerous systems. The AS568-468 is perfect for hydraulic and pneumatic systems, offering reliability and longevity.