£14.90
Airflow Cavity Wall Ducting Kit – 150mm Diameter x 350mm Length Rigid Plastic Duct with White Grille & Screws – Airtight, Easy to Install
View at Amazon.co.uk
£14.99
Manrose Extractor Fan Wall Fixing Kit 150mm
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£14.55
Manrose 1242 White 150mm Round Weather Proof Cowled Wall Outlet
View at Amazon.co.uk
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