The AS568-470 SIMRIZ SZ486 is a robust sealing solution with a 21" inner diameter and a 21 1/2" outer diameter, featuring a thickness of 1/4". This product from Freudenberg-NOK is constructed from high-quality SIMRIZ material, known for its superior resistance to a wide range of chemicals and temperature variations. It adheres to industry standards, ensuring reliability in hydraulic and pneumatic applications. The AS568-470 seal is designed for durability and long-term performance, making it an excellent choice for professionals seeking dependable sealing solutions.