Why Does the United States Department of Energy (DOE) Choose 0.3-micron Particles as the True HEPA Filter Test Standard?

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HOME » NEWS » faq » Why Does the United States Department of Energy (DOE) Choose 0.3-micron Particles as the True HEPA Filter Test Standard?

Because this is the weakest point in the filter’s performance, the HEPA specifications use the retention of particles near 0.3 microns to classify and test HEPA filters.

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