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What are the benefits of a HEPA filter?

A:

Quick Answer

HEPA filters are beneficial because they aid in the removal of airborne particles, pollutants and allergens. The use of HEPA filters can reduce bacterial and viral infections by trapping the infectious particles.

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Full Answer

HEPA filters used in air-handling units and vacuum cleaners can remove particles such as mold, animal dander, dust mites, pollen and other pollutants that are 0.3 microns or smaller. The use of a properly sized HEPA filter can reduce triggers for people suffering from asthma and allergies caused by particles and pollutants. HEPA filters combined with ultraviolet light are used in the biomedical field to reduce bacterial and viral pathogens that cause infections and face masks containing HEPA filters are used by medical personnel to reduce airborne diseases such as tuberculosis.

Stand-alone room air HEPA filter units are beneficial for homes with carpet. Carpet serves as a trap for particles and when walking over the carpet, particles that are asthma and allergen triggers become briefly airborne and can be filtered out by a HEPA filter. Studies have found that the use of the HEPA filter in the bedroom offers the most benefit for reducing allergies because more time is spent in that room compared to other rooms in homes.

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