Xiaomi Smart Air Purifier 4 Compact Filter

Three-layer high-efficiency filtration for clean and safe air

Filter out pollen

Trap pet hair and dander

6–12 months long-term use

3-in-1 filter Clean air output after layers of purification

The primary filter, Xiaomi's High Efficiency Filter and high-quality activated carbon filter work together to purify the air and keep it clean.

Primary Filter 360° blocking large particles

The primary filter traps large particles such as dust, hair and fine chips, while at the same time being extremely durable because it is resistant to crease, oil and acids.

Xiaomi's High Efficiency Filter Traps 99.97% 0.3μm particles

Filter out PM2.5, pollens, and other allergens, continuously producing clean air.

6–12 months long-lasting filter for everyday freshness

Although the integrated filter is durable, its performance may gradually degrade over time. To produce the best results, replace the filter every 6–12 months.

Mi Home/Xiaomi Home app connectivity Filter replacement reminders on smart devices

You can view the filter usage anytime on the Mi Home/Xiaomi Home app which could estimate the filter replacement period based on your daily use.

Rotate and pull out from the bottom Easy and effortless filter replacement

Make sure you trun off the machine and power it off before taking this action.