Does it become easier to breathe when using the device? - definitely better. But if you do not have problems with allergies, and indeed the air in the apartment is clean, then there is no point in this purchase. Do some reconnaissance first. I specially planted a bottle (not a whole) of a freshener a meter away from him - somewhere in 20 minutes he hysterically sucked everything in, flashing a red indicator, and there was no stink. However, for some time the purifier itself, or rather the filters, smelled like daisies. In general, this is an excellent device that performs its functions well and fully justifies its price.
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