Inhaler

размер частиц ультрамелких аэрозолей составляет около 2,5 микрон. Подходит для лечения астмы, хронического бронхита и других респираторных заболеваний, поражающих верхние и нижние дыхательные пути, например, простуды.

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The filter needs to be changed so everything works in the last photo, what is this part.
The EVOLU NANO AIR inhaler is a wireless, silent, rechargeable USB device for delivering medication to the respiratory tract. Suitable for use by people of all ages. Convenient to use at any time. The average size of ultra-fine aerosol particles is about 2.5 microns. Suitable for treating asthma, chronic bronchitis, and other respiratory diseases affecting the upper and lower respiratory tracts, such as colds.