The SIMRIZ Z7257 is a high-quality sealing solution featuring an 18.5" inner diameter, 19" outer diameter, and a thickness of 1/4". Manufactured by Freudenberg-NOK, this seal meets AS568-466 standards, ensuring compatibility with various industrial applications. The SIMRIZ material is known for its durability and resistance to a wide range of chemicals and temperature extremes, making it suitable for demanding environments. Its precise dimensions guarantee a secure fit, enhancing sealing performance and minimizing the risk of leaks.