The AS568-425 SIMRIZ SZ485 is a reliable sealing solution featuring a 4-1/2" inner diameter and a 5" outer diameter, with a thickness of 1/4". This product from Freudenberg-NOK is made from high-performance SIMRIZ material, known for its excellent resistance to chemicals and high temperatures. It meets industry standards, ensuring compatibility with a variety of hydraulic and pneumatic systems. The SZ485 seal is designed for durability and long-lasting performance, making it an essential component for effective sealing in demanding environments.