@RidleyDM @FinchTH @Rose_Marie_Holt @jvmlost @coolpix_jpg @cre8iverenewal @ToshiAkima Well, maybe. Likely not with HEPA. Perhaps w/UV or something else.
@RidleyDM@FinchTH@Rose\u Marie\u Holt@jvmlost@coolpix\u jpg@cre8iverenewal@ToshiAkima Well，也许吧。可能与HEPA无关。也许是紫外线或其他东西。