The JCM Industries DI Coupling is specifically designed for IPS, PVC, steel, and HDPE pipes, accommodating a 12-inch diameter. This coupling features stainless steel bolts for enhanced corrosion resistance and durability, making it suitable for various environments. The ductile iron construction ensures a strong and reliable connection, while the design meets industry standards for safety and performance. Ideal for both new installations and repairs, this coupling provides a versatile solution for plumbing and piping applications, ensuring compatibility with multiple materials.