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The company says it offers more choices in centrifugal fans than any other manufacturer. According to the manufacturer, these commercial- and industrial-duty fans handle air volumes ranging from 50 cfm to more than 300,000 cfm, in applications ranging from filtering supply air for cleanrooms to exhausting fumes and combustion air from factories. Most models, it says, are licensed to bear AMCA sound and air performance ratings.
— Greenheck
Schofield, WI