Hon&Guan 4 Inch Low Noise Flexible Ventilation Ducting - Thermal and Acoustic Insulation Aluminum Air Duct for Air Conditioner, Extractor Fan Length 1.2 m (ø105-110 mm) : Amazon.co.uk: DIY & Tools
Shanthi aircooler AC PVC Duct grill, For Ventilation, Plastic
OOPPEN 5 Inch Air Duct, PVC 125mm Ducting Aluminium Flexible Fan Ducting Diameter Ventilation Hose for Extractor Fans, Air Conditioner Hose Extension, Fan Filter, Tumble Dryer, Cooker Hood 5m White : Amazon.co.uk:
Clarke 3230481 12" Flexible PVC Duct for Contractor CON305 and CON350 Ventilation Fans - Yellow