Applied Energy Products 90104AA 200mm metal construction commercial centrifugal inline duct fan. It is engineered for trouble to free operation delivered complete with adjustable mounting brackets and terminal box. These practical, reliable fan is ideal for ducted applications in shops, schools, factories, offices, pubs, hotels, restaurants and kitchens. It is manufactured in zinc coated corrosion resistant sheet metal with 30mm long spigot connections for ease of connection to ductwork. The fan is suitable for use in ambient temperatures ranging from to 30°C to +50°C. The fan is fully speed controllable using the XIC1 speed controller.