16″ Galvanized Steel HVAC Spiral Coupling

Built for durability and precision, the **Prime Duct 16″ Spiral Coupling (24GA Galvanized Steel)** is the ideal solution for residential and commercial HVAC ductwork installations. Engineered to handle transitions, connections, takeoffs, and register box applications, this heavy-duty fitting ensures a secure, leak-resistant seal for smooth airflow in heating, ventilation, and air conditioning systems.

Constructed from **24-gauge galvanized steel**, this coupling resists corrosion and delivers long-lasting performance in demanding environments. Whether you're working on new construction, remodels, or maintenance projects, this versatile fitting simplifies installation while maintaining structural integrity. Trusted by contractors and installers alike, it’s a reliable choice for professional-grade ductwork applications.