Specialty gases mixed by specialists.

At nexAir, specialty gases aren’t a sideline. They’re our specialty. We go to great lengths to make them right, employing our own in-house chemists and our ISO 9001:2000—certified specialty gas laboratory and production plant facilities. A wide variety of gases, grades, and delivery systems are available. So whether you need an EPA protocol for emissions testing or Ultra High Purity argon for ICP-MS applications, you can trust nexAir.

Laser Cutting and Welding

  • Pre-Mixed Laster Gases
  • CO2 Laser Mixtures
  • Assist Gas

Lab Applications

  • Analytical Instrumentation
  • Gases for ICP, GC-MS, FID, ECD

Environmental Monitoring

  • EPA Protocol Gas
  • Zero Gases
  • NIST Traceable

Industrial Hygiene

  • Calibration Gases for Workplace Air Monitoring
  • Zero Gases


  • USP gases
  • Medical Drug Gases
  • Blood Gas Analysis
Specialty Gas

With more choices and options, you get exactly what you need.

Quality gases
  • Argon
  • Atomic absorption nitrous oxide
  • Carbon monoxide
  • Hydrogen
  • Nitrogen
  • CEMS gases
  • EPA protocol gases
  • FID—flame ionization detection gases
  • Atomic absorption acetylene
  • Carbon dioxide
  • Helium
  • Methane
  • Oxygen
  • P-10 gas
  • Custom blends
All popular grades
  • High Purity
  • Zero grade
  • Instrument grade
  • Primary and Certified standards
  • Pre-purified
  • Ultra High Purity
  • Chromatographic grade
  • NIST traceable
Convenient delivery methods
  • Cylinders—many sizes available
  • Tube trailer
  • Liquid Dewars
  • Micro-bulk
  • Bulk
Precision equipment, installation, and service
  • Automated cylinder changeover manifold systems
  • Specialty gas regulators
  • Metering devices
  • Gas blenders

Outstanding support

  • Cylinders shipped with SHERCheck® valves for positive pressure and maximum purity (for all inert pure gases)
  • Cylinders shipped with certificates of analysis
  • Color-coding of cylinders for easy identification
  • Well-stocked local and regional branch locations
  • Easy ordering by phone, fax, e-mail, or Internet

Find out more.

For more information, or to request a quote, call our Support Center toll-free at 888-nexAir4 (888-639-2474). Or visit the Contact Us page.