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Air Filters

A reliable source for Air Filter information and leading Air Filter Companies & Manufacturers.

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Air filters play a vital role in maintaining clean air quality and ensuring general health and safety. Air filters are designed to capture and remove airborne pollutants such as dust, pollen, smoke, and bacteria. They have been around for many years and have undergone numerous changes in design and technology. One can trace the history of air filtering back to ancient civilizations, where people used materials such as cloth, leaves, and animal skins to filter air. However, it wasn’t until the Industrial Revolution in the 19th century that air filters began to be used on a larger scale. Read More…

Air Filters Air filters, also known as air purifiers, are devices designed and used to remove or reduce the presence of unwanted particles from contained air. Examples of such particles include dirt, gases, molds, and odors. They’re also designed to generally improve air quality.
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Leading Manufacturers

Opa Locka, FL  |  877-570-9755

If your business is in need of a reliable air filter, it helps to reach out to a manufacturer who is a leader in their industry. At Filter King, our promise is to deliver filters that will protect you from air pollutants, prevent frequent and expensive repairs, and keep energy costs to a minimum. Our filter types include 3M air filters, asbestos air filters, water air filters, bulk filters, and...

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Filter King LLC $$$

Spring, TX  |  713-253-0100

Clean Liquid Systems is a leading manufacturer of air and liquid filters. Our number one priority is to create the best filters that match the needs of our customers. We strive to have a fast turnaround while not reducing the quality of our products. Filtration is the only thing we do and ensure that we make our products right. We provide our customers with hundreds of years of experience and...

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Clean Liquid Systems $$$

Sterling Heights, MI  |  888-928-4215

For more than 25 years, RoboVent's focus has been on the delivery of clean air and healthy environments in manufacturing facilities. This has earned us the leading position in the collection and filtering of airborne contaminants generated by metalworking and other industrial processes. We are passionate about providing clean air solutions to the industry, and this dedication to the cause brings...

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RoboVent $$$

Cypress, TX  |  713-690-2154

Sentry Custom Filters has spent 30 years providing satisfied customers with custom-made air filtration solutions at competitive prices. We design custom particulate filters and specialty blended carbon filters. Our products help with air purification, filtration, and fume extraction and are the perfect solutions for commercial spaces.

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Sentry Custom Filters $$$

Sauget, IL  |  618-271-7300

Universal Air Filter Company is a custom-designer and made-to-spec producer of NEBS certified air filters. We offer several types of media and electronics cooling air filters for broadband / datacom, EMI/RFI shielding, superior dust retention, fan air filters, and flame resistant filters.

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Universal Air Filter Company $$$

Glasgow, DE  |  302-731-1700

Founded over three decades ago we have been providing exceptional air filters since our inception. We are dedicated to ensuring that our customers are receiving the highest quality products and services in the industry in order to keep them coming back to us for all of their needs. We provide some of the quickest turnaround times in the industry; allow us to put that service to work for you!...

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Graver Technologies $$$

Denver, CO  |  800-496-7666

MCR inventories a large stock of Cleanroom Fan Powered and Ducted Air Filters. The Mac 10 FFU is known for being the quietest filter available and has been tested below 5O dBA with a rated flow of 90 FPM. Its modular design fits conveniently into 2`x4` to 2x2 T-Bar drop ceilings, and with a low profile of less than 13" it permits installation into tight ceiling spaces. Contact our company today!

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Modular Cleanrooms, Inc. $$$
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In the early 20th century, air filters began to be used in heating and ventilation systems, particularly in hospitals and other healthcare settings. In the 1960s and 70s, air pollution became a major issue in many cities, leading to increased research and development of air filter technology. Today, air filters are an essential component of HVAC systems and are used in a wide range of applications.

Air Filter

Air Filter Material Choice

Air filters are typically composed of fibrous material. Different materials are used depending on the type of filter. These materials include fiberglass, activated carbon, and synthetic polymer fibers. The choice of air filter material depends on the specific application and the contaminants that need to be removed from the air. Here are some examples:


Fiberglass filters are typically used in residential and commercial HVAC systems, as they are effective at removing larger particles like dust, pollen, and lint. They are also relatively inexpensive and have a low airflow resistance, which means they do not impede the flow of air through the system.

Activated Carbon

Activated carbon filters are used to remove odors, volatile organic compounds (VOCs), and other gaseous pollutants from the air. They work by adsorbing the contaminants onto the surface of the carbon, which has a large surface area. Activated carbon filters are commonly used in air purifiers and industrial applications, where they can help to improve indoor air quality and protect workers from harmful chemicals.

Synthetic Polymer Fibers

Synthetic polymer fiber filters, such as those made from polypropylene or polyester, are commonly used in cleanrooms and other applications where the air needs to be extremely clean. These filters are designed to capture sub-micron particles, such as bacteria, viruses, and other microorganisms, and can be made with various levels of filtration efficiency, depending on the specific application.

Other factors that may influence the choice of air filter material include cost, durability, and ease of installation and maintenance. It’s important to choose the right filter material for the specific application, as using the wrong filter can result in poor air quality, increased energy consumption, and other problems.

How Are Air Filters Created

Air filters are created using a variety of processes, including melt-blown, electrostatic, and pleating. Melt-blown filters use a process where plastic is melted and then blown onto a surface, creating a web-like material that is molded into a filter. Electrostatic filters use an electrical charge to attract and capture particles. In contrast, pleated filters are created by folding a material back and forth, creating more surface area for particles to adhere to.

Types of Air Filters

There are various types of air filters, each designed for specific applications.

Electrostatic Filters

Electrostatic filters use an electrical charge to attract and capture particles, making them more effective at capturing smaller particles than other filters.

HEPA Filters

HEPA (High-Efficiency Particulate Air) filters are designed to capture particles as small as 0.3 microns, making them highly effective in removing pollutants from the air.

HEPA Air Filter

HVAC Filters

HVAC (Heating, Ventilation, and Air Conditioning) filters are used in residential and commercial settings to improve air quality and reduce energy consumption.

ULPA Filters

ULPA (Ultra-Low Particulate Air) filters are designed to remove smaller particles than HEPA filters and are used in cleanrooms and other sensitive environments.

Inline Filters

Inline filters remove impurities from the air in compressed air systems.

Exhaust Filters

Exhaust filters are used in engines and other equipment to remove pollutants from exhaust fumes.

Foam Filters

Foam filters are commonly used in aquariums and other water filtration systems.

Air Compressor Files

Air compressor filters are designed to remove moisture and contaminants from compressed air systems.

Limitations of Air Filters

Despite their many benefits, air filters have some limitations to consider. They may reduce airflow, which can impact HVAC system efficiency. Additionally, air filters require regular maintenance and replacement, as they can become clogged over time, reducing their effectiveness. Finally, air filters are not effective against every pollutants, such as gasses and volatile organic compounds.

Benefits of Air Filters

Despite these limitations, air filters offer many benefits. They can improve air quality, reduce respiratory issues, and improve HVAC system efficiency. In residential settings, air filters can reduce the risk of asthma and allergies, while in industrial settings, they can protect workers from harmful particles.

Applications of Air Filters

Air filters have many applications, from residential homes to commercial buildings, industrial facilities, and healthcare settings. In homes, air filters can improve air quality, reducing the risk of respiratory issues. In commercial buildings, they can help reduce energy consumption and improve air quality for occupants. In industrial facilities, air filters protect workers from harmful particles and gasses, while in healthcare settings, they can help reduce the spread of airborne pathogens.

Air Cleaning System for Hospital

Choosing the Correct Air Filter Supplier

To ensure you have the most positive outcome when purchasing air filters from an air filter supplier, it is important to compare several companies using our directory of air filter suppliers. Each air filter supplier has a business profile page highlighting their areas of experience and capabilities, along with a contact form to communicate with the supplier for more information or request a quote. Review each air filter business website using our proprietary website previewer to quickly learn what each company specializes in. Then, use our simple RFQ form to contact multiple air filter companies with the same form.

Air Filter Informational Video

Air Filters Power Pages

Air Filters

Air Filters

Air filters are devices used to remove airborne particles, pollutants, and microorganisms hazardous to health and the ecosystem. In industrial facilities, air filters preserve the quality of products and materials and protect critical equipment from damage...

Liquid Filters

Liquid Filters

Liquid filters are equipment used to separate suspended solids from a fluid stream. A physical barrier, called the filter medium, is a prerequisite in the filtration process in which the liquid passes through and where the solids are retained...

Water Filtering Systems

Water Filtering Systems

A water filtering system is a mechanism that is designed to remove solid particles, tiny or large, from inside a liquid through the use of a filter medium that only allows the liquid to pass but restricts solid particles...

Air, Liquid, and Filtering Systems

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