This premium quality aftermarket 3-in-1 filter cartridge is specially designed for compact home air purification. The filter is only compatible with the Xiaomi Smart Air Purifier 4 Compact.

Primary pre-filter: blocks large physical impurities in 360 degrees. Captures household dust, lint, hair and pet hair. Extremely durable, resistant to creasing and greasy fumes.

High-efficiency HEPA layer: Filters out 99.97% of microscopic particles with a size of 0.3 microns in the air. Effectively removes PM2.5 airborne dust, pollens, spores and other substances that cause allergic symptoms.

Quality active carbon filter: Neutralizes unpleasant household odors, tobacco smoke, cooking steam and binds harmful gases (VOC compounds).