The AS568-468 SIMRIZ SZ495 is a reliable sealing solution with a 19 1/2" inner diameter and a 20" outer diameter, featuring a 1/4" cross-section. This product from Freudenberg-NOK is engineered for high performance in various industrial applications. The SIMRIZ material offers excellent chemical and thermal resistance, making it suitable for harsh environments. This seal complies with industry standards, ensuring compatibility with a wide range of systems. The AS568-468 is perfect for hydraulic and pneumatic applications, providing engineers with a dependable sealing option.