The 3" Rubber O-Ring Type B is engineered for sealing applications requiring flexibility and durability. Made from high-quality rubber, this O-ring provides excellent resistance to wear and tear, making it suitable for various industrial uses. Its design ensures a tight seal, preventing leaks in hydraulic and pneumatic systems. This O-ring meets industry standards for performance and reliability, ensuring compatibility with a range of fittings and connectors. Ideal for use in environments where temperature and pressure fluctuations occur.