Among the air purifier filters, I heard that the products with h12, h13 are HEPA filters, so they have the ability to filter fine dust.
I was originally going to buy Mi Air, but the filter level is 11.
Then is Mi Air not good for fine dust?
1194 2019-01-15 Gentleman
It's more beneficial to use multiple Hepa than to use one with a high Hepa rating
HEPA FILTER GRADE OF 110K IS OK.
Higher doesn't mean much for home.
It's better to use several low-grade ones.
So you're saying it's better to put two Mi Air instead of an expensive air purifier, right?
In a previous report, I saw a research report that tested air purifiers, and I thought that even the lowest grade of E11 could be filtered up to 0.3 PM
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