Which filter provides the highest efficiency for particulates?

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Multiple Choice

Which filter provides the highest efficiency for particulates?

Explanation:
The key idea is that filter effectiveness for removing particulates increases with tighter filter ratings. ULPA filters are designed to capture at least 99.999% of particles as small as 0.12 micrometers, which is higher efficiency than HEPA filters, which capture at least 99.97% of particles around 0.3 micrometers. In this set, the containment devices like C-PEC and CVE aren’t labeled by a filtration efficiency rating themselves; they rely on the filtration within the enclosure, typically HEPA-level, not ULPA. So the ULPA filter provides the highest particulate filtration efficiency among the options.

The key idea is that filter effectiveness for removing particulates increases with tighter filter ratings. ULPA filters are designed to capture at least 99.999% of particles as small as 0.12 micrometers, which is higher efficiency than HEPA filters, which capture at least 99.97% of particles around 0.3 micrometers. In this set, the containment devices like C-PEC and CVE aren’t labeled by a filtration efficiency rating themselves; they rely on the filtration within the enclosure, typically HEPA-level, not ULPA. So the ULPA filter provides the highest particulate filtration efficiency among the options.

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