90° Degree 110 x 55 mm to Diameter 100 mm Rectangular Flat Duct Connector for Round Pipe Connection - Air Conditioning, Ventilation, Heating, Cooling

Repa Market 90° Degree 110 x 55 mm to Diameter 100 mm Rectangular Flat Duct Connector for Round Pipe Connection - Air Conditioning, Ventilation, Heating, Cooling

Kair Rectangular Flat Ducting 110mm x 54mm - 1 Metre Length Flat Channel Pipe

Kair Rectangular Straight Connector 100mm x 54mm Flat Pipe Joint