Is It Better to Include UV in the Purifier to Kill Bacteria?

Purifiers should not have UV for two reasons. The first being HEPA itself can capture bacteria, so we do not need an additional element to do so. The second being the fact that it takes time for UV to kill bacteria, according to the US Environmental Protection Agency. Inside an air purifier, air blows very quickly though the UV, making it almost useless: https://www.epa.gov/indoor-air-quality-iaq/guide-air-cleaners-home
If you see another purifier company selling purifiers with UV, this means they didn’t do their research!

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