Signs You Need Make-Up Air


The lack of make-up air in a building can cause serious problems. Many times the problems are not even recognized and show themselves in ways that most people do not think about. A properly designed and installed ventilation system provides environmental control by avoiding negative pressure. Uncontrolled infiltration of air through window sashes, doors and

Read More

Duall Division

Fluid Engineering, is a proud representative of the Duall Division® of the Met-Pro Corporation and its line of corrosion resistant air and water quality control systems for industrial applications.

 Duall, a division of Met-Pro Corporation, is headquartered in Owosso, Michigan. Duall Division is a leading manufacturer of air and water quality control systems for the treatment of odors, corrosive fumes and toxic gas in industrial and municipal applications.

Its major products include Hexmaster® HepaHex dry scrubbers, MistMiserTM, Mist-X®and OilmasterTM mist eliminators, fume and emergency gas wet scrubbers, BetaNox® wet scrubbers, HydrolanceTM wet dust collectors and particulate control systems, odor control wet scrubbers, aeration towers, degasifiers, and DUALLastTM FRP corrosion resistant ducting and exhaust fans.

Major industrial customers include metal finishers, pharmaceutical manufacturers, chemical processors, semiconductor facilities and battery manufacturers. In the municipal market, Duall provides odor control scrubbers for the removal of sewage plant odors and degasification systems for the treatment of contaminated groundwater.

Major Markets

  • Metal finishing
  • Wastewater treatment
  • Food processing
  • Chemical
  • Printed circuit fabrication
  • Semiconductor fabrication
  • Battery manufacturing
  • Groundwater remediation

Primary Products

  • Odor control systems
  • Fume scrubbers
  • Emergency gas scrubbers
  • Aerators & degasifiers
  • Stripping towers
  • Exhaust fans
  • Plating & process tanks
  • Corrosion resistant ventilation systems
  • Dust & particulate control systems
  • Mist elimination equipment
  • NOx control systems
  • Custom designed air pollution abatement systems