Question

HEPA filters are most reliable technique to clean air. Reason.
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Answer 1

Answer:

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Explanation:

HEPA is good at removing larger particulate matter like pet dander, pollen and dust mites. Unfortunately, mold, VOCs, viruses, bacteria, and small particulates under 0.3 micrometers can not be removed safely from the air with an HEPA-based air purifier.