There is no less dust, but a lot of this dust remains on the filters. We have been using it for more than a year, it especially saves in winter, when the humidity in the apartment is very low. Before that, I tried a wine air washer, at the same price, I returned it after a week of use. The air does not clean, there are no humidity and pollution sensors, the humidity indication is not at all informative. I have not bothered about replacing filters yet, as of another two years, they will definitely last. We drive it in the evenings and at night, when the child and everyone else is at home, we turn it off when leaving. For the summer I rested in the garage due to the repair of the apartment.
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