Constructed from durable non-metallic and corrosion-resistant materials, this fiber optic duct plug offers a long-lasting solution for protecting critical data infrastructure. The innovative design features a thermoplastic elastomer gasket that expands to create a reliable water and air-resistant seal, safeguarding against potentially damaging environmental factors in datacenters. Additionally, its ease of installation allows for quick retrofitting around existing cables, ensuring versatility and convenience for various applications. Ideal for those seeking effective ways to maintain the integrity of their cable systems, this plug stands out for its cost-effectiveness and robust performance.