Manrose White PVC Flexible Ducting hose, (L)2.5m (Dia)125mm | DIY at B&Q
Kair Ducting Adaptor 220mm x 90mm to 150mm - 6 inch Rectangular to Round Straight Channel Connector for Converting to Different Size Duct Systems : Amazon.co.uk: DIY & Tools
SPARES2GO Bend Elbow Duct 90 Degree Vent Hose Pipe Tube Hydroponics / Air Conditioner / Cooker Hood Ducting Connector (6" / 150mm) | DIY at B&Q
Black Plastic Combi Flex Duct 150mm x 5m length
PVC Flexible Hose 152mm External Diameter / 150mm - 6 inch White Tumble Dryer, Cooker Hood, Extractor Fan, Air Conditioner Hose - 3 Metre Length : Amazon.co.uk: DIY & Tools
Semi Rigid Aluminium Flexible Ducting Hose - AutoSiliconeHoses.com - UK Ducting Store
AIR CON 3M VENT HOSE EXTENSION KIT DUCT PIPE KIT COMPLETE for CHALLENGE