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What Is a HEPA Filter?

Ozcon Environmental Solutions News and PR from Ozcon Environmental Solutions - Published 14 October 2020 HEPA (High-Efficiency Particulate Arresting) filter is a filter that can remove 85% of the particles in the air up to 0.3 microns.
Filters with 99.97% efficiency ratio are called True HEPA filters. Those slightly below this ratio are called HEPA filters. Filters with a rate of 99.99% are called ULPA filters.

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Filters with 99.97% efficiency ratio are called True HEPA filters

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