Best Compressed Air Filters of 2025

Brian Howie Avatar
Brian Howie
Last Updated: Jan 2, 2025

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Compressed air filters are essential components in industrial settings, designed to remove contaminants and impurities from compressed air systems. These filters play a crucial role in maintaining the quality and efficiency of compressed air, ensuring the smooth operation of pneumatic equipment and machinery. By removing particles, moisture, oil, and other contaminants, compressed air filters contribute to extending the lifespan of equipment, reducing maintenance costs, and preventing potential damage. With their various filtration levels and capacities, these filters are versatile and adaptable to different applications, making them a valuable investment for industries that rely on compressed air systems.

At a Glance: Our Top Picks

THB F706N Compressed Air Filter Cover #TOP 1
THB F706N Compressed Air Filter
ftb score rating icon 9.9
Ingersoll Rand ARO F35121 Air Filter Cover #TOP 2
Ingersoll Rand ARO F35121 Air Filter
ftb score rating icon 9.8
MOLLIFII Compressed Air Filter 4ZL50-A Cover #TOP 3
MOLLIFII Compressed Air Filter 4ZL50-A
ftb score rating icon 9.6

Top 10 Compressed Air Filters

#TOP 1

THB F706N Compressed Air Filter

THB
F706N
Silver
THB F706N Compressed Air Filter Cover
3/4" Compressed Air in Line Moisture & Water Filter Trap F706N Compressor New

The THB Air Filter F706N is designed for compressed air applications, making it a reliable choice for maintaining air quality. Its wall-mounted orientation saves space while ensuring easy access for maintenance. With a 3/4" FNPT thread, it provides a secure connection to your air system, preventing leaks. As a moisture filter, it effectively traps water and contaminants, protecting your equipment and extending its lifespan. By using this filter, you can enjoy cleaner air and improved performance in your compressed air systems.

What We Like
Space-saving wall mount
Secure 3/4" FNPT connection
Effective moisture trapping
Protects equipment lifespan
#TOP 2

Ingersoll Rand ARO F35121 Air Filter

F35121-400-VS
Black
1/4" NPT
Ingersoll Rand ARO F35121 Air Filter Cover
ARO Ingersoll Rand ARO F35121-400-VS Air Line Filter, 1/4" NPT - 150 psi Max Inlet, Black

The Ingersoll Rand Air Filter is designed to enhance your compressed air system. With a 1/4-inch NPT connection, it easily integrates into existing setups. The standard filter effectively removes particles down to 5 microns, ensuring cleaner air for your tools and equipment. A manual drain feature allows you to easily remove accumulated moisture, helping to maintain optimal performance. The 0.5-ounce polycarbonate bowl is sturdy and comes with a guard for added protection. This filter can handle up to 49 CFM, making it a reliable choice for various applications.

What We Like
Easy integration
Removes 5-micron particles
Manual moisture drain
Durable polycarbonate bowl
High airflow capacity
#TOP 3

MOLLIFII Compressed Air Filter 4ZL50-A

MOLLIFII
4ZL50-A
MOLLIFII Compressed Air Filter 4ZL50-A Cover
Compressed Air Filter, 150 psi, 3.15 In. W, Pipe Size: 1/2" NPT, Mfr: 4ZL50-A

The MOLLIFII Air Filter is designed to efficiently filter compressed air up to 150 psi, ensuring that your air supply remains clean and reliable. With a maximum temperature rating of 125°F, it can handle various working environments, making it versatile for different applications. The filter features a durable polycarbonate bowl with a guard, providing both visibility and protection. This combination not only enhances the longevity of the filter but also ensures easy monitoring of the filter's condition, giving you peace of mind while you work.

What We Like
High pressure tolerance
Durable polycarbonate construction
Temperature versatility
Easy condition monitoring
#TOP 4

Milton 1022-8 Metal FRL Micro Filter

1022-8
10 oz. bowl
Milton 1022-8 Metal FRL Micro Filter Cover
Milton Industries 1022-8 3/4" NPT Metal FRL Micro Filter, 10 oz. bowl

The Milton Micro Filter is designed to enhance your compressed air system. With a 3/4" national pipe thread, it easily integrates into your setup. It supports a maximum pressure of 250 PSI, ensuring reliable performance even under high demands. You can achieve an impressive flow rate of 230 standard cubic feet per minute at 100 PSI, making it ideal for various applications. Additionally, it operates effectively in a temperature range from 40°F to 160°F, providing versatility for different environments. Installing it upstream from regulators further improves your system's efficiency, giving you cleaner, reliable air supply.

What We Like
High pressure tolerance
Excellent flow rate
Wide temperature range
Easy installation
#TOP 5

I.E.E 3/4" Compressed Air In Line Filter Desiccant Dryer Moisture Water Separator

I.E.E
LM966
I.E.E 3/4" Compressed Air In Line Filter Desiccant Dryer Moisture Water Separator Cover
3/4" Compressed Air In Line Filter Desiccant Dryer Moisture Water Separator New

The I.E.E 3/4" Compressed Air In Line Filter Desiccant Dryer Moisture Water Separator is a brand new unit designed to remove water, oil, and humidity from compressed air. This filter/desiccant dryer comes with two refills of desiccant beads. The desiccant beads change color when saturated, indicating the need for replacement. The heavy-duty aluminum quick-release bowl provides easy maintenance and impact protection. The I.E.E Compressed Air Filter is perfect for applications such as painting, plasma cutters, and sandblasting. With its efficient moisture removal system and convenient maintenance features, this filter ensures clean and dry compressed air for optimal performance.

What We Like
Efficient moisture removal
Easy maintenance
Heavy-duty aluminum bowl
#TOP 6

PneumaticPlus SAFU430-N06-MEP Filter Combo

SAFU430-N06-MEP
PneumaticPlus SAFU430-N06-MEP Filter Combo Cover
PneumaticPlus SAFU430-N06-MEP Air Particulate (10 µm), Coalescing (0.1 µm) Filter Combo, 3/4" NPT, Metal Bowl w/Manual Drain

The PneumaticPlus Filter Combo is designed to enhance your air quality by effectively removing particulates and moisture. With its dual filtration system, it captures particles as small as 10 microns while coalescing water droplets down to 0.1 microns. This ensures cleaner air for your tools and equipment, which can lead to improved performance and longevity. The unit operates under a maximum inlet pressure of 250 PSI, making it suitable for various applications. Additionally, the metal bowl with a manual drain allows for easy maintenance, ensuring you can keep the filter functioning optimally without hassle.

What We Like
Dual filtration system
High maximum inlet pressure
Easy maintenance with manual drain
Improves tool performance
#TOP 7

NANPU 1/2" NPT Air Filter

NANPU
AF4000
1/2" NPT
NANPU 1/2" NPT Air Filter Cover
NANPU 1/2" NPT Compressed Air Line Filter, 5 Micron Brass Element, Bracket, Poly Bowl, 145 psi

The NANPU Air Filter is designed to enhance your compressed air system with its efficient 5 micron brass filter element. This feature ensures excellent filtration performance, helping to prolong the life of your equipment. You can operate this filter under a maximum inlet pressure of 145 psi, while it functions effectively between 0-125 psi. Additionally, it supports a temperature range of 41-140℉, making it suitable for various environments. With a robust flow rate of 141 SCFM at 90 PSI, you can count on consistent performance to keep your air tools running smoothly.

What We Like
Efficient filtration
High pressure tolerance
Wide temperature range
Strong flow rate
#TOP 8

Speedaire 4ZL09 Compressed Air Filter

Speedaire
4ZL09
Black
Speedaire 4ZL09 Compressed Air Filter Cover
Speedaire, 4ZL09, Compressed Air Filter, 250 psi, 4.75 in. W

The Speedaire Air Filter is designed for effective air filtration in metalworking applications. This product is imported from China and operates efficiently at a pressure of up to 250 psi. Its commercial brand reputation ensures that you are investing in a reliable and durable filter. By using this filter, you can maintain cleaner air in your workspace, which can enhance the performance and longevity of your air tools. This convenience allows you to focus on your projects without worrying about air quality issues.

What We Like
High pressure tolerance
Durable construction
Effective air filtration
Suitable for metalworking
#TOP 9

NANPU 1/4" NPT Air Filter

NANPU
OF200
1/4“ NPT
NANPU 1/4" NPT Air Filter Cover
NANPU 1/4" NPT Compressed Air Filter, Zinc Alloy, 5 Micron Brass Element, Quick Release Bowl, Manual Drain, for Air Compressor & Pneumatic Tools

The NANPU Air Filter is designed to ensure clean and dry air for your compressor and pneumatic tools. Its zinc alloy body offers superior strength and resistance to compression compared to plastic or aluminum options. With a piston-type pressure regulating screw, it enhances durability and minimizes air leaks, ensuring efficient operation. The 5-micron brass filter element provides excellent filtration, extending the filter's lifespan and usability, making it a reliable choice for your air system needs.

What We Like
Durable zinc alloy construction
Effective air filtration
Minimizes air leakage
High flow rate capability
#TOP 10

ExelAir Mini Polycarbonate Air Filter

EX25F40A-02P
ExelAir Mini Polycarbonate Air Filter Cover
ExelAir EX25F40A-02P 1/4" NPT Mini Polycarbonate FRL Air Filter

The ExelAir Mini Filter is designed to keep your air tools running smoothly by effectively removing water and particles from the air supply. With both automatic and manual drain options, you have the flexibility to choose how you manage fluid levels, ensuring optimal performance. The transparent polycarbonate bowl allows you to easily monitor the fluid level, so you know when it’s time for maintenance. Additionally, the long-lasting, washable bronze sintered element provides reliable filtration for extended use, making this filter a practical choice for anyone using compressed air tools.

What We Like
Effective water/particle removal
Flexible drain options
Transparent fluid level monitoring
Durable and washable element
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What does a compressed air filter do?

A compressed air filter, also known as an air line filter, is used to remove impurities such as dust, oil, and moisture from atmospheric air. Its purpose is to make the compressed air clean and suitable for various applications.

2. How do you size a compressed air filter?

To size a compressed air filter, it is recommended to consider a filter with a pressure drop of 2 to 5 psig for optimal performance. Determine the flow rate in scfm and choose a filter with a suitable port or body size to match the required flow. If the flow is too low, select a larger size, and if the flow is higher, choose a smaller size.

3. What micron filter for compressed air?

For most pneumatic systems, a basic filter with an efficiency between 0.3 and 1 micron is sufficient. However, applications like paint lines may require a higher filtration efficiency of 0.1 microns to minimize oil carryover.

4. Do I need a compressed air filter?

Having a compressed air filter is highly recommended for any compressed air application. The contaminants present in compressed air, such as dust, oil, and moisture, can be harmful to downstream equipment, tools, or products. A filter helps remove these impurities and ensures the quality and reliability of the compressed air.

5. How do I know what size filter I need?

To determine the size of the filter you need, check for the air filter dimensions on the side of your current filter. Most filters are labeled with a 'nominal' size and an 'actual' size. The nominal size is usually displayed prominently, while the actual size is written in smaller print adjacent to it.

6. What happens if you buy the wrong size air filter?

Using the wrong size air filter or installing it incorrectly can lead to ineffective filtration. Dust may accumulate on the system's motors and blowers, causing the furnace to perform poorly. Additionally, the debris can potentially damage the internal components of the system.

7. Which is better, a 3 micron or 5 micron filter?

A lower micron rating indicates finer filtration. Therefore, a 3 micron filter will remove more impurities compared to a 5 micron filter. The choice between the two depends on the specific filtration requirements of the compressed air application.

8. What is a better filter, a 10 micron or 100 micron?

For most applications, a 10 micron filter is too restrictive on the inlet side. It is recommended to use a less restrictive filter, such as a 100 micron pre-filter, especially for inline pumps located outside the tank.

Editor's Notes

During our compressed air filter research, we found 24 compressed air filter products and shortlisted 10 quality products. We collected and analyzed 5,510 customer reviews through our big data system to write the compressed air filters list. We found that most customers choose compressed air filters with an average price of $63.56.

The compressed air filters are available for purchase. We have researched hundreds of brands and picked the top brands of compressed air filters, including THB, Ingersoll Rand, MOLLIFII, Milton, I.E.E. The seller of top 1 product has received honest feedback from 436 consumers with an average rating of 4.9.

Written by
Brian Howie Avatar

Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.