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.
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.
|19.5% – 23.5%||Balanced||<2 ppm||<1 ppm||<0.5 ppm||<0.5 ppm|
|19.5% – 23.5%||Balanced||<3 ppm||<1 ppm|
|HH (#1 Steel)||310CF||346||2200|
|H (#2 Steel)||233CF|
|M (#4 Steel)||117CF|
|O2||N2||CO2||CO||SO2||NO2 & NO||Oil|
|19.5% – 23.5%||Balanced||<500 ppm||<10 ppm||<5 ppm||<2.5 ppm||None|
|19.5% – 23.5%||Balanced||<1000 ppm||<10 ppm||None|
- 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
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.