Engineered for exceptional durability and ease of use, this duct plug from Cal Am Manufacturing is designed to effectively seal 3-inch (80 mm) conduit systems. Its innovative non-metallic construction ensures corrosion resistance, making it a reliable choice for various applications. This plug features an advanced thermoplastic elastomer gasket that, when expanded, forms a robust barrier against water, air, and rodent intrusion, safeguarding the integrity of your conduits against environmental factors. With the convenient inclusion of two rope-tie points, installation becomes a hassle-free process using mule tape or a pull line, while eliminating the need for additional tools. Versatile in its use, this duct plug can be easily installed in PVC, HDPE, EMT, and corrugated conduits, making it an ideal solution for a range of pipe and conduit applications.