Do HEPA Filters Have Fiberglass in Them ?

Many types of filters make up the best quality air purifiers, like electrostatic filters, UV lights, ionizers or ozone generators, activated carbon filters, and HEPA filters. However, HEPA filters and filters with activated carbon are considered the best among all these filters due to their performance efficiency.

Both these filters are highly efficient in performance but are different from each other based on their preference of removing the types of pollutants: HEPA filters are manufactured to remove dust, allergens, molds, and other such pollutants, while activated carbon filters are manufactured to remove unpleasant odors, gases, and chemicals from the air.

Whether you buy the air purifiers with HEPA filters or activated carbon, you are destined to get the best-ever indoor air cleanliness. Even though these two filters are worth buying and discussing, this article will discuss the manufacturing and effectiveness of HEPA filters in particular.

Do HEPA Filters have Fiberglass in them?

Yes, most HEPA filters have fiberglass in them. Fiberglass is used because it is one of the most effective materials against small particles. It can catch particles as small as 0.3 microns. This material is created when the glass is heated up to an extremely high temperature. When the glass is heated severely, it is passed through series of tiny holes that make the liquid glass turn into thin threads. When these treads cool down, they are woven together to make the HEPA filter structure.

Fiberglass is one of the most effective materials that most HEPA filters are made of. They are highly efficient in capturing all types of solid airborne particles to help you enjoy cleaner and fresher air all the time.

The only HEPA filters that are non-fiberglass products are Filtrete range of products range from 3M.

Fact about fiberglass

What are HEPA Filters?

The special type of filter system introduced to capture almost every solid particle from the air is known as GEPA filters. HEPA filters are known to be filtering almost 99.97% of air from all the solid particles that are as small as 0.3 microns in size.

This is to say that HEPA filters can effectively remove pollen, dust, mold, sawdust, hair, and various other particles, including the larger bacteria from the air. The air purifiers with HEPA filters cannot remove gases and odors from the air as the purifiers with activated carbon filters can.

How do HEPA Filters Work?

HEPA filters come along with relatively larger amounts of filter material arranged at random on the overall structure. This material is so small and is extremely efficient in capturing the tiny particles from the air that might be harmful when inhaled continuously.

The air passes through multiple layers of the filter, and when released, it is perfectly cleaned from all the particles as they are captured within the layers. This layered filter is to be removed randomly to maintain the effective performance of the cleaner for a longer time.


What Are Some Best HEPA Filters to Buy?

If you are confused about buying the best HEPA filters for yourself, consider choosing from among the following filters This list contains the Hepa filters available in the market.

Amaircare 3000 HEPA Air Purifier

This is one of the best-selling units in the market and offers the most excellent quality functioning. The best thing about this cleaner is that you get it at the most reasonable price.

Rabbit Air Minus A2

This is another excellent option among several hundreds of HEPA filters in the market. It is slim and attractive in design and showcases a powerful performance in cleaning up the air.

Blueair 205 HEPA Air Purifier

Being one of the best air purifier manufacturers in the market, it introduces one of its most amazing and powerful air purifiers in the shape of Blueair 205 HEPA Air Purifier. It is one of the most reliable and budget-friendly solutions for indoor pollution.

There are many other options for HEPA filters as well, but these three are considered the top-rated and best-selling of all.



When you finalize your decision of buying a HEPA filter to get the best performance in cleaning up the indoor air, it is probably one of the best decisions you will make. The fiberglass material makes the filter extremely efficient. 

What is an air purifier and how to choose one” if you have this question in mind do check out this article.

I'm Julia, an air purification expert and certified Indoor Air Quality Professional. With a Master's in Environmental Science and a decade of research at the National Institute for Environmental Health Sciences, I've dedicated myself to understanding air pollutants and their health impacts. At 'PureAirly', my mission is to leverage my expertise in air purifiers and guide you towards cleaner, healthier air.

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