10″ Galvanized Steel HVAC Spiral Coupling

The **Prime Duct 10″ Spiral Coupling** is a durable, galvanized steel HVAC fitting designed for seamless ductwork connections in both residential and commercial HVAC systems. Built with **26-gauge steel**, this coupling ensures long-lasting performance while resisting corrosion, making it ideal for demanding environments. Whether you're installing new ductwork, replacing damaged sections, or upgrading existing systems, this versatile fitting simplifies transitions, connections, and register box installations.

Perfect for contractors, HVAC technicians, and DIY enthusiasts, this coupling is engineered for reliability in heating, ventilation, and air conditioning applications. Its spiral design allows for easy alignment and secure sealing, while the galvanized finish provides added protection against rust and wear. Available in sizes to match your duct, vent, or fitting needs, this coupling ensures a tight, leak-free fit every time.