Breathing Grade Air, Size 300 High Pressure Steel Cylinder, CGA-346

Airgas Part #:AI B300

Manufacturer Part #:B300

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Item Details

  • Clean, natural air is an odorless, colorless gas mixture. Sythetic air is produced by blending Nitrogen (N2) and Oxygen (O2) in the proper proportions.


  • Airgas operates its own dedicated blending facilities as well as maintains a national network of blending technology to ensure accurate, consistent production.


  • Size 300 High Pressure Industrial Cylinder
  • DOT Specification: 3AA-2400 - Canada 3AA-M183
  • O.D.: 9.25" - 235 mm
  • Length: 55" - 1397 mm
  • Weight: 132 lbs - 60 kg
  • Water Volume: 2990 Cubic Inches - 49 ltrs
  • Airco/BOC = T
  • Praxair = T
  • Air Products = A
  • Sizes may vary by location. Contact your Airgas representative or local branch location for availability in your area.


  • SCBA (Self Contained Breathing Apparatus)


Always use in accordance with the Safety Data Sheet (SDS)~~Always follow local fire code requirements when storing gas cylinders.~~Cylinder must be stored and used in an upright, secured position in a well-ventilated or monitored area.

Product Attributes

CGA Connection

» CGA 346

Cylinder Size

» 300 Steel HP

Gas Grade

» Breathing