The 4" Macro HP Two‑Bolt 3.5”-4.3" Extended‑Range Coupling is a high-performance coupling engineered to join or repair 4” nominal pipes across a broad outside-diameter range. Its extended-range design accommodates multiple pipe materials, allowing for quick, reliable installations and emergency repairs. Built with durable stainless steel hardware and a high-quality EPDM gasket, this coupling delivers a strong, pressure-rated seal even on misaligned or out-of-round pipes, making it ideal for municipal water, industrial, and utility piping systems.