The Freudenberg-NOK AS568-452 SIMRIZ SZ498 offers a robust sealing solution with an 11 1/2" inner diameter and a 12" outer diameter, featuring a thickness of 1/4". Crafted from premium SIMRIZ material, this seal provides outstanding resistance to chemicals and extreme temperatures, ensuring durability in various applications. It adheres to AS568 standards, making it suitable for a wide range of hydraulic and pneumatic systems. This seal effectively reduces leakage, enhancing the overall efficiency and reliability of your operations.