Air
Colorless, odorless, nonflammable gas.General Air is a trusted compressed air supplier in Colorado, serving manufacturing, medical, food & beverage, and other industries across the font range.
Download SDS: P-4560

GRADES & SIZES
Air is available in gas form in high pressure steel or aluminum cylinders, with compressed air tank refill services available across Colorado. Our most popular compressed air cylinder sizes and grades are below. Don’t see what you need? Send us a message and we’ll get back to you in one day.

AVAILABILITY
If you’re looking for where to buy compressed air near you in Colorado, General Air makes it easy. 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 | 2400 |
| #2 Steel | 234CF | 2200 | |
| #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 |
*Supplied by vendor
Popular Sizes
| Size | Volume | CGA | Full Pressure |
|---|---|---|---|
| #1 Steel | 310CF | 590 | 2400 |
| #2 Steel | 275CF | 2200 | |
| #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 | 2400 |
| H (#2 Steel) | 233CF | 2200 | |
| M (#4 Steel) | 117CF | ||
| E Steel | 23CF | 950 | |
| E Aluminum | 2015 |
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 | 2400 |
| #2 Steel | 260CF | 2200 | |
| #4 Steel | 117CF |
Trace Impurities
| O2 | N2 | CO2 | CO | Oil |
|---|---|---|---|---|
| 19.5% – 23.5% | Balanced | <1000 ppm | <10 ppm | None |
Common Applications for Compressed Air
- Used as a source of safe air to assist in self-contained breathing apparatuses (SCBAs)
- Medical compressed air cylinders are used to deliver safe, medical-grade air for respiratory equipment, patient care, and hospital systems.
- 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
Industries We Serve Across Colorado
Manufacturing: Compressed air powers assembly lines, tools, pneumatic systems, and automation equipment across all types manufacturing.
Construction: Construction crews use compressed air to operate nailers, jackhammers, cutting tools, and spray equipment on job sites.
Medical: Medical facilities use clean, dry compressed air for respiratory equipment, surgical tools, and ventilators.
Food & Beverage: Compressed air is used for product filling, packaging, sorting, and cleaning.
Breweries: Breweries use compressed air for keg washing, bottling, canning lines, and pneumatic operations.
Automotive: Auto shops rely on compressed air for lifts, power tools, painting, and pneumatic automation.
Aerospace: Compressed air is used for precision tools, testing equipment, and fabrication.
Agriculture: Farms use compressed air for powering equipment, aerating water systems, cleaning machinery, and operating pneumatic controls.
Compressed Air Service Areas in Colorado
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.