100mm Flex

What’s available in 100mm

Use this page to shop our flexible ducting by diameter: everything we sell in 100mm (≈ 4″) is gathered here, including insulated aluminium foil flex, uninsulated aluminium foil flex, combi flex and high-temperature silicone flex.

Alpha Air is a Leicester-based supplier of commercial and industrial ventilation equipment. Order stocked lines by 3pm and they ship for next-working-day delivery.