The AS568-443 SIMRIZ Z7257 is a robust sealing solution featuring a 7 1/2" inner diameter and an 8" outer diameter, with a thickness of 1/4". This product, manufactured by Freudenberg-NOK, is engineered for high performance in demanding environments. The SIMRIZ material is known for its excellent chemical resistance and thermal stability, making it ideal for various industrial applications. This seal complies with industry standards, ensuring reliability and effectiveness in hydraulic and pneumatic systems. The Z7257 provides a secure and effective seal, enhancing system efficiency.