CVGF250 250mm Dia Grey Glass Flex 6 Metre Roll £60.80 inc. VAT (where applicable) Quantity: at £60.80 each Add To Basket 0 in your basket View Basket Checkout Fully flexible, high quality, un-insulated PVC laminated duct for use in commercial HVAC systems. Available in 6 metre lengths. Operating Temperature: -20oC to +110oC Tough PVC reinforced by a “grey outer skin” for resistance to tear and puncture, airtight with a smooth core for low friction loss and lower operation costs. Easy & Fast installation over round or oval connections. Please note that the sizes stated refer to the duct size. The flex will be slightly larger to slip over the spigot.