5m Flexible ducting suitable for use with Sealey indirect heater ABI1000. Flame and heat retardant made from glass fibre with 250mm diameter. It can be used to direct warm air from the heater's warm air outlet into a space where theres limited ventilation, or where people are present. It will deliver huge volumes of clean, dry, fume-free heat safely and economically. Suitable for heating marquees, events, halls, workshops, warehouses, construction sites and more. The flexible design allows the duct hose to be packed down when not in use, for easy transport and storage. FLEXIBLE DESIGN Allows hose to be packed down and transported easily. FLAME AND HEAT RETARDANT Made from glass fibre and is flame and heat retardant to 300C. WIDTH 250mm Diameter suitable for use with Sealey Indirect Heater ABI1000. VOLUME Delivers huge volumes of clean, dry, fume-free heat safely and economically. MULTIPLE USAGE - Suitable for heating marquees, events, halls, workshops, warehouses, construction sites