The 75074342 is a Dupont Kalrez 4079 O-Ring, known for its exceptional chemical resistance and high-temperature stability. This O-Ring is specifically designed for applications requiring reliable sealing under extreme conditions. With a standard AS568-034 size, it measures 2.5 inches in inner diameter, making it ideal for various industrial uses. The Kalrez material provides superior performance against aggressive chemicals, ensuring longevity and reliability. This O-Ring is compliant with industry standards, making it a trusted choice for engineers and maintenance professionals.