The AS568-134 DUPONT KALREZ 4079 O-Ring from Freudenberg-NOK is engineered for high-performance sealing applications. This O-ring features a standard size of 2.5 inches ID and 0.139 inches CS, making it ideal for various industrial uses. Constructed from Kalrez, a high-performance fluoropolymer, it offers exceptional resistance to chemicals, heat, and aging. This O-ring is compliant with industry standards, ensuring reliability in demanding environments. Suitable for use in oil and gas, chemical processing, and other applications requiring robust sealing solutions.