Skip to main content

Air Filter

NoImage
Oxygen Coalescing and Particulate Filters
Particulate Filter (2, 5, 10, 20, 40 micron)
Coalescing Filter (0.3, 0.1, 0.01 micron)
Compare Selected
Compare Selected

Compressed Air Filters help remove water, particulates, and oil mist from pneumatic air lines to protect valves, tools, cylinders, regulators, and other downstream equipment. Shop particulate filters, coalescing filters, water separators, moisture traps, and air line filters by micron rating, flow capacity, port size, and bowl style.

Read More + Read Less −

Industrial Compressed Air Filters for Clean, Reliable Air Supply

A compressed air filter helps remove contaminants from your pneumatic system before they reach sensitive downstream components. This category includes particulate filters, coalescing filters, water separators, mist separators, and moisture traps designed to reduce dirt, rust, condensate, oil carryover, and fine aerosols in compressed air lines.

Choose the Right Air Line Filter for Your Application

Selecting the best air line filter depends on the type of contamination you need to remove and the performance requirements of your system. General-purpose particulate filters are commonly used to capture solid debris and water droplets, while coalescing filters are better suited for removing finer oil mist and aerosols. Water separator and moisture trap styles are often used where condensate removal is a priority.

  • Filter Type: Choose from particulate filters, coalescing filters, water separators, and mist separator styles based on the level of air treatment required.
  • Micron Rating: Compare element ratings to match your equipment sensitivity and air quality target.
  • Flow Capacity: Check CFM or SCFM to make sure the filter can support your system demand without excessive pressure drop.
  • Port Size: Match the filter to your piping and existing air prep setup.
  • Serviceability: Consider bowl style, drain type, and availability of a replacement filter element for routine maintenance.

Common Uses for Compressed Air Filters

Compressed air filters are used throughout industrial and commercial pneumatic systems to protect tools, actuators, valves, spray equipment, automation components, and air-powered machinery. They are also commonly installed as part of a broader FRL, filter regulator, or filter regulator lubricator assembly when air preparation and pressure control are needed together.

Selection Tip: If you are comparing a standard filter to a compressed air filter regulator, start by deciding whether you only need filtration or whether you also need downstream pressure control in the same assembly.

How to Select the Best Compressed Air Filter

  1. Identify whether you need particulate removal, liquid removal, oil mist removal, or a combination of these.
  2. Choose the appropriate micron rating for your air quality requirement.
  3. Confirm the filter's rated flow in CFM or SCFM for your application.
  4. Match the port size and bowl configuration to your installation space and service conditions.
  5. Plan for maintenance by checking drain style and replacement element availability.

Frequently Asked Questions

What is the difference between a particulate filter and a coalescing filter?

A particulate filter is typically used to remove solid debris and larger water droplets, while a coalescing filter is designed to remove finer oil mist, aerosols, and very small contaminants from compressed air.

What micron rating should I choose?

The right micron rating depends on your equipment and air quality requirements. Lower micron ratings capture finer contaminants, but you should also confirm that the filter's flow capacity matches your system.

When should I replace the filter element?

A replacement filter element should be changed based on service interval, contamination load, pressure drop, and overall performance. In demanding environments, more frequent maintenance may be required.

Do I need a standalone air filter or a filter regulator?

If your system only needs contaminant removal, a standalone air filter may be the right choice. If you also need downstream pressure control, a filter regulator or full FRL assembly may be a better fit.

Need help choosing the right air filter for your system? Contact our team at (800) 658-3579 for help with filter selection, micron rating, flow capacity, and application fit, or click the Need Help button at the bottom right of the page to submit a ticket.

!