Designed to ensure effective sealing in a variety of duct applications, this expandable twist nut duct plug from CommScope features a diameter range of 1.22 to 1.36 inches. With its simplex design and an opening size of 0.35 to 0.57 inches, it provides a reliable solution for terminating conduits and maintaining integrity against environmental factors. Ideal for professionals seeking dependable components in pipe and conduit systems, this duct plug combines durability with ease of installation, making it a practical choice for enhancing system performance.