The SIMRIZ SZ501 is engineered for optimal sealing performance, featuring a 12" inner diameter and a 12-3/8" outer diameter with a thickness of 3/16". This product, compliant with AS568-381 standards, is manufactured by Freudenberg-NOK and is ideal for various industrial applications. The advanced SIMRIZ material provides superior resistance to a wide range of chemicals and temperatures, ensuring longevity and reliability. Its precise dimensions guarantee a secure fit, effectively preventing leaks and maintaining system integrity.