Smoke Inline Extractor Fan 4/5/6 Inch Duct Fan UK Plug Quiet Ventilation Fan

4" - 100mm Extractor Fan：. 5" - 125mm Extractor Fan：. 6" - 150mm Extractor Fan：. Flexible Ducting Dryer Vent Pipe Aluminum Foil PVC Duct Fan Hose ：. I nner duct: Perforated Alium foil. Plug: British standard.