The SIMRIZ SZ484 is a reliable sealing solution with a 4" inner diameter and a 4-1/8" outer diameter, featuring a thickness of 1/16". This product from Freudenberg-NOK is crafted from high-quality materials that offer superior resistance to various chemicals and environmental conditions. It meets industry standards, ensuring compatibility with numerous applications, including hydraulic and pneumatic systems. The SZ484 is designed to provide a dependable seal, reducing the risk of leaks and enhancing system efficiency.