Get current pricing for Quickdraft, Quickdraft-51735-ID Quickdraft 2 Hp Centrifugal Fan. Blower Has An Estimated 1100 Cfm. Blower Has A 10.75 Diameter Inlet With A 16 Diameter X 24 Long Silencer And 3.5 . Product Category: Process Equipment, Sub Category: Process Blowers: