Large volumes of air are circulated with pedestal fans from DURAFAN and Extreme Air. The Extreme Air High Velocity Oscillating Pedestal 30" Fan is great to use in small areas in warehouses and shops, has a three speed pull chain control and is easy-carry handle. DURAFAN offers two types of pedestal fans. The 3 Speed Indoor/Outdoor High Velocity Oscillating Pedestal Fan comes in 24" and 30" sizes; the High Velocity Oscillating Pedestal Fan also comes in 24" and 30" sizes. Both DURAFAN fans are great for workshops and garages or anywhere large volumes of air need to be moved.