Durable, flexible ducting is vitally important in improving and safety and working conditions. It can be used to to bring fresh air into an area, extract contaminated air, and to direct heated air where it is needed. ECKO Flex ducting provides great flexibility with several diameters and lengths to allow you to safely ventilate virtually any application. Flexible ducting is vitally important in improving and safety and working conditions. It can be used to to bring fresh air into an area, extract contaminated air, and to direct heated air where it is needed. Key Features: Made from reinforced polymer material Non-collapsible duct with integrated steel helix wire Flame retardant Carrying bag included for storage and transport