If you replace the filter 2 times in the last 2 years, you can use it well. I came earlier than I thought.
I am very satisfied if I use four 70,000 won (I use coupon). I turn 3 houses at home and use one office frequently.
Okay, I bought two of them because it's cheap. I wish I could get rid of the fine dust.
daily dealAir purifier filter in addition to formaldehyde enhanced version