Three-layer high-efficiency filtration to protect your health
PM2.5 and pollen filtration
Pet hair filtration
Odour elimination
Can only be used with Xiaomi Smart Air Purifier 4
*Recommended to replace the filter every 6–12 months.
All-in-one powerful filter
Clean air outputs after layers of purification
A primary filter, Xiaomi's High Efficiency Filter and a high-quality activated carbon filter work together to purify your air and keep you healthy.
High-quality activated carbon
Xiaomi's High Efficiency Filter
Primary filter
Primary Filter 360° large particles blocking
The primary filter provides an initial filtration by filtering dust, hair, fine crumbs among other large particles and is resistant to creases, oil, acids, alkalis and more to ensure a long service life.
Dust
fine crumbs
Pet hair
cotton fibers
Xiaomi's High Efficiency Filter 99.97% filtration of 0.3μm particles*
The 24000cm² high-efficiency filter* removes PM2.5, pollen etc. to output consistent clean air.
0.1μm
0.3μm
PM2.5
Pollen
Pet dander
High-quality activated carbon
The 650000mg high-quality activated carbon*, with the sophisticated porous structure and evenly distributed carbon, effectively removes air pollutants and odour that are harmful in your home.
Pet odours
Cigarette smell
VOC
Cooking fumes
Other odours