The JCM Industries DI Transition Coupling features an epoxy coating and stainless steel bolts, designed for connecting ductile iron pipes with a size range of 4" (4.80 - 5.10). This coupling provides a robust solution for various piping applications, ensuring durability and resistance to corrosion. The epoxy coating enhances the product's longevity, making it suitable for water and wastewater systems. This coupling meets industry standards, ensuring a secure and leak-free connection. Ideal for contractors, it simplifies installation and enhances the integrity of piping systems.