The ETCO Multiplex Duct-Loc Multi-Duct Plug is engineered to streamline the process of retrofitting duct systems in vaults, manholes, and cabinets, making it a reliable choice for various applications. Featuring a practical 3-way configuration with three 1.660-inch openings, this plug is designed to accommodate multiple ducts or cables effectively. The split compression design allows for easy installation, while the elastomeric gasket ensures a robust seal between the high-impact plastic or stainless steel squeeze plates, providing both durability and performance. Available in a range of sizes from 2 to 6 inches with options for customization, this duct plug is an essential component for any professional seeking versatility and reliability in managing duct systems.