The Freudenberg-NOK AS568-445 SIMRIZ SZ481 is a premium sealing solution featuring an 8" inner diameter and 8 1/2" outer diameter with a thickness of 1/4". Constructed from high-quality SIMRIZ material, this seal offers exceptional resistance to chemicals and temperature extremes, making it suitable for a variety of industrial applications. It complies with industry standards, ensuring compatibility with multiple systems. Ideal for hydraulic and pneumatic uses, this seal provides a secure fit and optimal sealing capabilities.