Fits over a flat channel and connects it to a round flexible hose with a threaded hose connector at right angles. The 204 x 60mm rectangular end features a female adaptor for connection outside of the duct, while the 100mm round end has a male spigot for connection inside the duct.

Brand Name	Airvent
Manufacturer Model No	VKC562530344
Type	Elbow Bend
Size (mm)	100
Colour	White