About This Product
This PATIKIL duct connector flange is a sturdy metal adapter for connecting round ducting to square or wall-mounted openings in heating, cooling, and ventilation systems.
You get 2 pieces in a pack, each with a 9.

8-inch outer diameter interface and a square base that's about 11.
1 x 11.

1 inches.
The height is 3.
2 inches, giving you a good reach through walls or ceilings.
The flange is made from galvanized iron, which means it resists corrosion, handles high temperatures, and won't warp or deform easily.
The base already has mounting holes drilled, so you don't need to drill anything yourself – just screw it directly to the wall, ceiling, or surface (screws not included, though).
The surface is smooth, so it's easy to connect your ductwork securely without gaps or leaks.
This is great for air conditioning, dust collection, dryer vents, exhaust fans, cooker hoods, and other HVAC setups.

A simple, heavy-duty adapter that makes duct connections clean and professional.
Specification – Silver galvanized iron – outer diameter 249mm/9.

8" – base 282x282mm/11.
1" – height 82mm/3.

2".
Durable material – galvanized iron resists corrosion, heat, and cold – won't deform over time.

Pre-drilled base – screw holes ready – no drilling needed – mounts directly to walls or surfaces.
Smooth surface – easy to attach ducting securely – reduces air leaks.
Wide use – HVAC, dust collection, tumble dryers, exhaust fans, cooker hoods, and more.
