The 42 MM ID X 5 MM CS DUPONT KALREZ 4079 O-Ring is engineered for high-performance sealing in challenging environments. Made from KALREZ material, this O-Ring provides exceptional resistance to a wide range of chemicals and high temperatures, making it suitable for applications in the chemical and pharmaceutical industries. With an inner diameter of 42 mm and a cross-section of 5 mm, it fits standard applications perfectly, ensuring a secure seal that prevents leaks. This O-Ring complies with industry standards, guaranteeing reliability and longevity in demanding conditions.