The AS568-469 20" ID x 20 1/2" OD x 1/4" SIMRIZ SZ495 seal from Freudenberg-NOK is engineered for optimal performance in industrial settings. With an inner diameter of 20 inches and an outer diameter of 20.5 inches, this seal provides a reliable barrier against leaks and contaminants. Made from high-quality SIMRIZ material, it offers exceptional resistance to a variety of chemicals and high temperatures, ensuring longevity and reliability. This product meets stringent industry standards, making it a versatile choice for various applications requiring effective sealing solutions.