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.

High purity compressed air cylinders with height scale in feet, showing popular sizes of compressed air.

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

Compressed air cylinders with height scale in feet, showing popular sizes of compressed air cylinders.

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
Compressed air cylinders with height scale in feet, showing popular sizes of medically safe compressed air cylinders.

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
Compressed air cylinders with height scale in feet, showing popular sizes of compressed air cylinders for breathing.

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
Scuba diver using compressed air tank

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.