The 4 mm cross-section and 55 mm inner diameter encapsulated silicone O-Ring is designed for effective sealing in various applications. Manufactured by Freudenberg-NOK, this O-Ring is made from high-quality silicone, providing excellent resistance to heat and chemicals. Its encapsulated design enhances durability, making it ideal for use in food processing, medical devices, and other critical environments. This O-Ring complies with industry standards, ensuring reliable performance and effective sealing in demanding applications.