Profile: Rapid Fan & Blower, Inc. offers blower wheels for sigle & double inlet, forward curve air kits, belt drive forward curve utility sets, forward curve plug fans, backward curve utility sets, industrial mill exhausters, direct drive wall fans, belt drive wall fans and centrifugal roof exhausters. Our air kits are available in mild steel, stainless steel and aluminum construction. These are used in OEM applications and with air-conditioning mechanics. Forward curve plug fans are designed for O.E.M. users.