Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems

Kair Rectangular Flat Ducting 220mm x 90mm - 1 Metre Length Flat Channel Pipe

Kair 90 Degree Vertical Elbow Bend 220mm x 90mm - 9 x 4 inch Rectangular Plastic Ducting Adaptor