Advanced HEPA Filter Air Purifiers for Cleaner Indoor Air

HEPA Filter Air Purifiers are advanced devices that deeply cleanse indoor air, trapping particles as small as viruses.
Category
Activity
Where to get
Home appliance stores and online
HEPA Filters
High Efficiency Particulate Air
Prepared by Lee Cheng, reviewed by Dr. Helena Rodriguez

HEPA Filter Air Purifiers FAQ


Image credit: walmart.com

What is a HEPA filter & how does it work?

Here’s our process. A high-efficiency particulate air (HEPA) filter is a high-quality device that the Department of Energy (DOE) states must remove 99.97% of particulates from the air. Air purifiers improve the quality of indoor air by removing contaminants. These contaminants may be any airborne particles, such as dust, mold, bacteria, and pollen.

How does a HEPA purifier work?

Rather, in HEPA purifiers, a fan draws particles suspended in the air through a dense, felt-like filter that has billions of tiny gaps of varying size. Air passes through almost unimpeded—thus the “high-efficiency” in HEPA.

Do air purifiers have HEPA filters?

A number of devices use these filters, such as air purifiers, which are designed to remove a host of particles and pollutants from the air in your home. There is no federal certification or regulation for HEPA filters in the United States, but the Environmental Protection Agency offers some advice on how to choose efficient filters.

What is a HEPA air purifier?

HEPA air purifiers are high quality devices that remove air contaminants indoors. These can also help prevent the buildup of dust and mold. There are various HEPA air purifiers available to purchase for varying prices and room sizes.

What is a high efficiency particulate air (HEPA) filter?

A high efficiency particulate air (HEPA) filter is a pleated device that can remove particles from surrounding air. A number of devices use these filters, such as air purifiers, which are designed to remove a host of particles and pollutants from the air in your home.

How small is a HEPA filter?

A HEPA filter can trap particles as small as 0.3 microns. For reference, the smallest thing the human eye can see is 25 microns, and a strand of hair is between 17 and 180 microns in diameter. When placed into filtration systems like air cleaners and purifiers, HEPA filters can remove 99.97 percent of particles from the air.

HEPA Filter Air Purifiers References

If you want to know more about HEPA Filter Air Purifiers, consider exploring links below:

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