Aug 15, 2025 · It is an acronym for "high efficiency particulate air [filter]" (as officially defined by the U.S. Dept. of Energy). This type of air filter can theoretically remove at least 99.97% of dust, pollen, mold, …

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Unlike sieves or membrane filters, where particles smaller than openings or pores can pass through, HEPA filters are designed to target a range of particle sizes.

Breathe easier and enjoy a cleaner home environment with a HEPA air filter, designed to capture even the smallest airborne particles. Whether you're tackling allergens, dust, or pet dander, these filters …

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Jun 23, 2025 · A HEPA filter, or High Efficiency Particulate Air filter, works by trapping harmful particles such as pollen, dust mites, and tobacco smoke. It can filter out 99.97% of airborne particles as small …

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May 11, 2025 · To be called a HEPA filter, a filter must meet stringent standards in terms of what it can capture from the air that passes through it. This type of pleated, mechanical filter can be effective...