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Instrument Grade Carbon Dioxide, Size 300 High Pressure Steel Cylinder, CGA 320 Washer

Airgas Part #:CD I300

Manufacturer Part #:I300

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About this product

Product Attributes

CGA Connection

• CGA 320 Washer

Gas Grade

• Instrument

  • Airgas operates its own dedicated blending facilities as well as maintains a national network of blending technology to ensure accurate, consistent production.
  • Individual or Batch Certificate of Analysis available upon request.


  • Mixed with Argon, Carbon Dioxide is used as a shielding gas to prevent the contamination of the molten weld metal.
  • Carbon Dioxide is used as a refrigeration gas in chilling and freezing systems to maintain product quality by preventing spoilage or aging in Food Manufacturing.
  • Carbon Dioxide is essential in the Carbonization process, Brewing and Winemaking.
  • As a blanketing gas for chemical reactions and other applications requiring a chemically inert gas.
  • The Bone Dry and Anaerobic Grades are used as atmospheres for anaerobic incubation in microbiology labs.
  • Carbon Dioxide is also used to promote and expedite plant growth for indoor farming.


  • Always use in accordance with the Safety Data Sheet (SDS)
  • Always follow local fire code requirements when storing gas cylinders.
  • Major hazards: Suffocation, High Pressure, compressed gas.


Sizes may vary by location. Contact your local Airgas representative or local branch location for availability in your area.


300 Steel HP
DOT Specification
3AA - 2400 - Canada 3AA - M183
9.25" - 235 mm
55" - 1397 mm
132 lbs - 60 kg
Water Volume
2990 Cubic Inches - 49 ltrs
Air Products