The AS568-330 DUPONT KALREZ 6375 O-Ring is engineered for high-performance sealing in extreme conditions. With a diameter of 3.5 inches, this O-ring is made from Kalrez, known for its superior chemical resistance and thermal stability. It can endure high temperatures and pressures, making it suitable for various industrial applications. This O-ring complies with industry standards, ensuring it fits seamlessly into existing systems. Its robust design and precise dimensions provide a reliable seal, reducing the likelihood of leaks and enhancing overall system performance.