Duct Boot, 3-1/4 x 10 x 6 inch Duct End Boot, Galvanized to Round Transition Galvanized Floor Register Tool for Center Ventilation & HVAC System, Easy Installation,Silver (6 in Round Pipe)

Duct Transition Fitting for 3-1/4 x 10 x 6 in Duct

Connects 3-1/4 x 10 in rectangular duct to 6 in round pipe. Made of thick galvanized steel for strong, leak-resistant, and rustproof performance. Smooth interior reduces airflow resistance. Easy to install, ideal for kitchen vents, dryers, and commercial HVAC systems.

Complete installation in just 3 steps, from cleaning the joints to screwing them together. No special tools are required, and it won't damage your existing ducts, making it a hassle-free DIY ventilation upgrade.

Features a reinforced crimped edge and ribbed design for a tight, vibration-resistant fit. When used with foil tape, it helps avoid air leaks and odor backflow, enhancing overall sealing performance and system reliability.

The inner wall is smooth and burr-free, ensuring fast, quiet, and efficient airflow. Compared to traditional rough transitions, it reduces noise and energy loss—ideal for use in kitchen range hoods, exhaust fans, and other airflow-sensitive applications.

Built with 0.03 inch (0.8 mm) thick galvanized steel that offers both structural strength and resistance to damp and grease. Withstands humid, oily, or wet conditions like kitchens, basements, garages, and commercial areas without losing shape.