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Air

Colorless, odorless, nonflammable gas.

Download SDS: P-4560

GRADES & SIZES

Air is available in gas form in high pressure steel or aluminum cylinders. Our most popular sizes and grades are below. Don’t see what you need? Send us a message and we’ll get back to you in 1 day.

AVAILABILITY

Air is available for purchase with a new cylinder or for exchange at any of our 8 Front Range General Air locations. Business customers can purchase Air in a store or request delivery.

Popular Sizes

Size Volume CGA Full Pressure
#1 Steel 310CF 590 2200
#2 Steel 234CF
#4 Aluminum 125CF
#5 Steel 80CF
#6 Steel 60CF

Trace Impurities

O2 N2 H2O THC CO2 CO
19.5% – 23.5% Balanced <2 ppm <1 ppm <0.5 ppm <0.5 ppm

Popular Sizes

Size Volume CGA Full Pressure
#1 Steel 310CF 590 2200
#2 Steel 275CF
#5 Steel 125CF

Trace Impurities

O2 N2 H2O THC
19.5% – 23.5% Balanced <3 ppm <1 ppm

Popular Sizes

Size Volume CGA Full Pressure
HH (#1 Steel) 310CF 346 2200
H (#2 Steel) 233CF
M (#4 Steel) 117CF
E Steel 23CF 950
E Aluminum 23CF 346

Trace Impurities

O2 N2 CO2 CO SO2 NO2 & NO Oil
19.5% – 23.5% Balanced <500 ppm <10 ppm <5 ppm <2.5 ppm None

Popular Sizes

Size Volume CGA Full Pressure
#1 Steel 300CF 346 2200
#2 Steel 260CF
#4 Steel 117CF

Trace Impurities

O2 N2 CO2 CO Oil
19.5% – 23.5% Balanced <1000 ppm <10 ppm None

Common Applications

  • Used as a source of safe air to assist in self-contained breathing apparatuses (SCBAs)
  • Medically safe air to assist in breathing
  • Calibrating and checking various impurities of Hydrocarbons in emissions.
  • Gas Chromatography
    • Flame Ionization Detector as a flame gas
    • Flame Photometric Detector as a flame gas
    • Atomic Emission Detector as a dry air purge gas
SCUBA diver using compressed air

Frequently Asked Questions

Is Compressed Air the same as Oxygen?

No. The terms Air and Oxygen are often used interchangeably but they are different. Oxygen is a pure element while air consists of combination of several elements, primarily Nitrogen and Oxygen.

What is Ultra Zero Air?

Ultra Zero or zero air is air with contains a very low amount of hydrocarbons — typically less than 1ppm.

Is Compressed Breathing Air (Grade D) the same as USP (Medical) Air?

No. OSHA defines Grade D air as suitable for breathing when it has the following characteristics: Oxygen content of 19.5-23.5 percent, hydrocarbon (condensed) content of 5 milligrams per cubic meter of air or less, carbon monoxide content of 10 parts per million (ppm) or less, and carbon dioxide content of 1,000 ppm or less.