STERR Flexible Ventilation Duct Hose 5 inches / 125 mm x 6 m - Exhaust Hose - Duct Hose for Heating and Cooling - Ventilation and Air Conditioning - ALD125_6 : Amazon.co.uk: DIY & Tools
76mm x 200mm Weld On Stainless Steel Exhaust Joint Repair Flexi Tube Pipe