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You should know whether your air purifier or air conditioner is equipped with a HEPA or HEPA-type filter. Not all air filters work equally well and the type you choose can have a major effect on your indoor air quality. HEPA filters and newer HEPA-type air filters are now used in homes across the country, but they are not one and the same.


What Are the Differences Between a HEPA & a True HEPA Filter?


Understanding HEPA

True HEPA filters are unlike other types of filers because they are required to remove small particles from the air that other filters are unable to remove. The HEPA standard requires that all true HEPA filters are able to remove 99.97 percent of airborne particles down to the size of 0.3 microns. HEPA Air Purifiers are ideal for consumers with allergies, asthma and breathing difficulties.

Understanding HEPA-Type

With the rise in popularity of HEPA filters, competitors started offering a lower cost and similar product. These do not adhere to the same standards. The major difference in the true HEPA and the HEPA-type filters are their efficiency for small particles. They are often limited to 85 percent to 90 percent of particles. HEPA-Type Air Purifiers are ideal for eliminating fine dust, pollen and unpleasant odors 

HEPA Health Benefits

When filters have such a small difference of less than one micron, one may assume that the differences are minimal. Many customers opt to buy the HEPA-type because of lower cost, but the difference in one micron is a significant difference when it comes to long-term health. The smallest particles can be tiny enough to enter your bloodstream and affect your health in the long run.

Written by Joseph Leung — April 01, 2014

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