4″ Galvanized Steel Duct Coupling Sleeve – HVAC/Dryer Vent

The FILPROFI 4″ Galvanized Steel Duct Coupling Sleeve is a reliable solution for connecting two same-diameter round ducts in dryer vent ducting, ventilation, and general air handling applications. This durable coupling is available in both Inside-Fit (Insert) and Outside-Fit (Slip-Over) configurations, covering duct diameters from 3″ to 12″. The 26-gauge galvanized steel construction ensures strength and corrosion resistance, with a formed seam that eliminates the need for spot welding. Each coupling features a standard 4″ length, providing a consistent overlap for secure connections and simplifying installation planning.

Manufactured in the USA, the FILPROFI Duct Coupling Sleeve is designed for quality and longevity. It comes packaged in a rigid, branded box to protect against shipping damage, ensuring that it arrives in perfect condition ready for your next project.