Centrifugal Blowers, are used for numerous industrial applications including: aeration, air barsformers, air bearings, air conveying, air injection, air knives, air scrubbers, air tables, combustion air, cooling, environmental test chambers, exhaust emission testing, flow benches, fluidized beds, gas boosting, gas exhausting, inflation air, vacuum collection, vacuum hold-down and vacuum pick-up. Shown below is the heavy duty Industrial Air blower also called the centrifugal air blower or motrorized air blower.