400mm Flex

Our 400mm range (≈ 16″) covers insulated aluminium foil flex, uninsulated aluminium foil flex, combi flex and PVC grey flex, with everything made to suit the same diameter.

As a Leicester-based ventilation supplier we hold extensive stock: 400mm items in stock and ordered before 3pm are delivered next working day, and orders over £400 ex VAT ship free anywhere in the UK.

For other sizes and styles, browse the full flexible ducting range.