I'm using an air purifier, but I'm not sure if it's effective.
Fine dust is so severe that ventilation is difficult.
It will have some effect, right?
387 2019-03-05 Gentleman
I'm using it really well, too
If you look at the level of fine dust, it decreases when you turn on the air hearing aid
Is it a product that only produces colors without fine dust levels?
I thought that might be a little suspicious
I'm relieved that I changed to the one with the numbers
It's too small compared to the area of the house, so you might not feel it
I think it's definitely effective when you feel the fresh air when you turn it on
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