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    what is hepa filter?

    0  Views: 479 Answers: 1 Posted: 12 years ago

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    HEPA (High-Efficiency Particulate Air) filter is an air filter, which is designed to remove  at least 99.97% of dust, pollen, mold, bacteria and any air particles with a size of 0.3 micrometres (μm) or more at 85 litres of air per minute (Lpm) that are passed through it.



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