The 140 MM ID X 4 MM CS DUPONT KALREZ 4079 O-Ring is a high-performance sealing solution designed for demanding applications. This O-ring features a 140 mm inner diameter and a 4 mm cross-section, crafted from specialized Kalrez material for exceptional resistance to heat, chemicals, and pressure. Its robust construction meets industry standards, ensuring compatibility with various systems. Perfect for use in the pharmaceutical and chemical industries, this O-ring provides a reliable seal, enhancing operational efficiency and safety.