The Duraline 1.50" Expansion Plug is designed to provide a reliable, water-tight seal for conduit applications, accommodating inner diameters from 1.460" to 1.830". This versatile plug ensures compatibility with smooth, ribbed, and corrugated conduit types, making it an essential component for various installations. Crafted from a reusable, non-metallic material, it simplifies the installation process as it requires no special tools for setup. Its internal eye allows for easy attachment of a factory-installed pull-line, while the impressive water seal capability of up to 15 PSI guarantees effective moisture prevention for your conduit systems. Ideal for industrial and construction environments, this expansion plug enhances the durability and efficiency of your piping solutions.