Part of the company's ELTA line of axial fan impellers, Range 1400 fromContinental Fanincorporates pressure-cast aluminum hubs and adjustable pitch blades. Capable of delivering a range of airflows, the impellers are offered in diameters between 24 and 55" with a choice of two hubs. They can accommodate two, three, four, six, nine or 12 blades. Applications include cooling towers, heat exchangers, process cooling and tunnel ventilation.