The AS568-444 SIMRIZ SZ485 is a high-performance sealing solution featuring a 7 3/4" inner diameter and an 8 1/4" outer diameter, with a thickness of 1/4". This product, from Freudenberg-NOK, is engineered for reliability in various industrial applications. The SIMRIZ material provides excellent resistance to chemicals and temperature fluctuations, ensuring durability. Compliant with industry standards, the SZ485 is ideal for hydraulic and pneumatic systems, offering a secure and effective seal that enhances overall system efficiency.