Q:

How does a HEPA filter help if you have a dust mite allergy?

A:

Quick Answer

A HEPA, or high-efficiency particulate air-filter, can reduce symptoms of dust mite allergies because the filter works by forcing air through a fine mesh material, subsequently trapping allergens such as pet dander, pollen and dust mites. HEPA filters are found in vacuum cleaners and air purifiers.

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Full Answer

Dust mites and their waste products often become airborne, and because they are so light, they can remain in the air indefinitely. An air purifiers circulates air through a filtration system which captures the allergens, including dust mites, and holds them in the filter. HEPA filters capture 99.9 percent of all particles that pass through them. HEPA-equipped vacuums release less dust mites and dirt back into the room as the vacuum is used.

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