Xiaomi - Smart Air Purifier 4 Lite Filter

Pre-filter: provides primary filtration of dust, hair, fine and coarse particles. Resistant to folding, oil, acids, alkalis and other substances, which prolongs its life.
Xiaomi's highly efficient filter: removes 99.97% of particles 0.3 microns in size. Actively filters PM2.5 particles, pollen and other impurities. It ensures consistently clean room air.
It contains high quality activated carbon: Effectively absorbs odors such as pet odors, cigarette smoke and artificial cooking odors.