Whether you need to vent air, heated or chilled air, light gasses, water vapours, smoke and more we have the perfect flexible ducts for you. In this section you combination flexible ducting that is designed to easily connect to either round or oval ducting. Our flexible ducting pipes have a seamless smooth interior surface that ensures a low pressure system. It is laminated with layers of aluminium/polyester and PVC which gives extra strength and stability to our combination flexible ducting.