The Long Ductile Iron Coupling with Epoxy Coat and Alloy Bolt 4 4.5 by JCM Industries (KEL300) offers exceptional durability for pipe connections. Constructed from high-quality ductile iron, this coupling is coated with epoxy for enhanced corrosion resistance, making it ideal for harsh environments. With a size of 4 inches and a pressure rating of 4.5, it complies with industry standards, ensuring reliable performance in water and wastewater applications. This coupling is designed for easy installation and is compatible with various pipe systems, providing a secure and leak-free connection.