077 Airbrick Adaptor for Flat Channel Ducting 4x2 Flat Channel

100mm x 52mm (4x2") 077 Airbrick adaptor 100 4x2 flat ducting adapting to 204x60mm Airbrick

• Style may vary from picture
• white plastic
• This is part of our 100mm round ducting range and is traditionally used along fans or mechanical heat recovery systems. We stock a whole range of ducting sizes and types