Ideal for use in a number of commercial and industrial applications such as offices, shops, factories, warehouses etc. Can also be used in the winter to re-circulate hot air from under ceilings and roofs down to working areas, offering energy savings. Model Number: NLCS1200. Diameter(mm): 1200. Min/Max Ceiling Height: 8 - 12M Floor Area (sq/M): 85 to 140. This fan is supplied with XPELAIR 21852AW controller for Ceiling Fan.