Xiaomi air purifier filters by part number

Xiaomi's genuine round HEPA filter for the older Mi Air Purifier range: 2, 2S, 2H, 2C, 3H, 3C and Pro. A primary filter, a True HEPA layer and activated carbon are built into one cylinder. Xiaomi gives 6–12 months; the purifier and Mi Home app warn you when 10% life is left.

Change it every 6 months; 4 steps, no tools.

Fits 7 Xiaomi models: Mi Air Purifier 2, Mi Air Purifier 2C, Mi Air Purifier 2H, Mi Air Purifier 2S, Mi Air Purifier 3C, Mi Air Purifier 3H, Mi Air Purifier Pro.

Xiaomi's filter for the Mijia Smart Air Purifier 6, which Xiaomi also lists for the Xiaomi Smart Air Purifier 4. It combines a primary filter, Xiaomi's high-efficiency layer and activated carbon for odours and formaldehyde. Xiaomi gives 6–12 months, depending on use. The purifier recognises a new genuine filter by itself.

Change it every 6 months; 4 steps, no tools.

After the change: No manual reset: the genuine filter's RFID tag is read automatically.

Fits 2 Xiaomi models: Mijia Smart Air Purifier 6, Xiaomi Smart Air Purifier 4.

Xiaomi's genuine 3-in-1 filter for the Xiaomi Smart Air Purifier 4 Compact (AC-M18-SC). It twists into the base: turn the purifier over, turn the old filter anticlockwise to remove it and lock the new one in clockwise. Xiaomi says 6–12 months. Reset it by holding the power button for 7 seconds on standby.

Change it every 6 months; 4 steps, no tools.

Fits the Xiaomi Smart Air Purifier 4 Compact.

Xiaomi's filter for the Xiaomi Smart Air Purifier Elite (Y-600): a primary filter, Xiaomi's high-efficiency layer and high-iodine activated carbon in one. Xiaomi rates it at 10–14 months and says it fits only the Elite. The Xiaomi Home app estimates when it is due.

Change it every 10 months; 4 steps, no tools.

Fits the Xiaomi Smart Air Purifier Elite.

Xiaomi's genuine filter for the Xiaomi Smart Air Purifier 4 Pro (AC-M15-SC), the largest of the 4 series. A primary filter, Xiaomi's high-efficiency layer and 650 g of activated carbon sit in one cylinder. Xiaomi says it lasts 6–12 months and fits only the 4 Pro.

Change it every 6 months; 4 steps, no tools.

Fits the Xiaomi Smart Air Purifier 4 Pro.

Xiaomi's genuine 3-layer filter for the Xiaomi Smart Air Purifier 4 (AC-M16-SC): primary filter, Xiaomi's high-efficiency layer and 500 g of activated carbon. Xiaomi says it lasts 6–12 months. The purifier reads the filter's RFID tag, so there is no manual reset; a filter without the tag may bring up a 'genuine filter' prompt.

Change it every 6 months; 4 steps, no tools.

After the change: No manual reset: the genuine filter's RFID tag is read automatically.

Fits the Xiaomi Smart Air Purifier 4.

Xiaomi's genuine 3-layer filter for the Xiaomi Smart Air Purifier 4 Lite (AC-M17-SC). Xiaomi says it fits no other model. The filter sits under the top half of the purifier: press the side buttons and lift. Xiaomi gives 6–12 months; the air quality light blinks red for 30 seconds when it is used up. Reset it by hand after fitting.

Change it every 6 months; 5 steps, no tools.

Fits the Xiaomi Smart Air Purifier 4 Lite.

Xiaomi's genuine filter for the Mi Air Purifier Pro H, a larger round filter than the one used in the 2 and 3 series. It combines H13 filter paper with catalytic activated carbon. Xiaomi suggests replacing it every 10–14 months; the purifier's screen and the Mi Home app show how much life is left.

Change it every 10 months; 4 steps, no tools.

After the change: If filter life does not reset by itself, hold the button on the back for 6 seconds until it beeps.

Fits the Mi Air Purifier Pro H.