$324.99  inc GST
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Air Purifier 4 Smart APP Control CADR Up to 400m3/h

Sold out In-store, Available online
$324.99  inc GST
Shipping: Ships in 1 working day Delivery Estimates Click & Collect: Click & Collect by 10:00am on 01 Mar
Sold out In-store, Available online
$324.99  inc GST


Xiaomi Smart Air Purifier 4


High Efficiency Filter

- PCADR 400m³/h FCADR 150m³/h, eliminate 99.97% of pet dander, dust, pollen, smoke, TVOC and fine particles as small as 0.3 microns (less than one percent of a hair diameter) [1]
- To purify a room of 130 m^2 only needs one hour. [2]



High precision sensors

- PM 2.5 sensor to monitor air pollutants fine particles;
- Humidity & Temperature sensors to detect air humiture


OLED Touch Screen

- Air quality index of PM 2.5 pollutants can be clear at a glance;
- Temperature, humidity and working status display;
- 6 purification modes for optional operation, auto /favorite /sleep /low /medium



Smart Control

- Mobile phone control with Mi Home APP to build an intelligent home scene with other Xiaomi smart products.
- Works with Google Assistant and Amazon Alexa for voice command.


Negative Ion Generator

Negative ions helps clean the air and makes you feel like in a forest or nearby a waterfall, which improves emotional well being.


Detachable Air Outlet Grille

Top air outlet grille is dismountable for air duct clean after lying idle for long.


Quiet Operation

Operation noise is as low as 32.1dB, just like whispering that leaves you to sleep undisturbed;


Package contents:



[1] Particles CADR (Clean Air Delivery Rate) tested by third party lab according to standard GB/T 18801 2015
[2] Area Efficiency equals to CADR divides height of room: (400 m3/h) / 3m = 130 m2/h


CADR (Particles):

400 m³/h

CADR (Formaldehyde):

150 m³/h

Area efficiency:

130m² per hour [2]

Purification efficiency:

99.97 %

Filter Lifetime:

6~12 months

Noise levels:


Rated Voltage:

AC100 240V~

Rated Frequency:


Rated Power:


Net Weight:

approx. 5.6 kg

Gross Weight:

approx. 7 kg


250 * 250 * 555 mm


Rate & Review this Product

D T. 19 December 2022
"Great air purifier and works well with Google Home.
Even have a home automation setup with the Mi Home app to allow full blast until bed time where it just runs on night mode and again an hour after waking up switching off.
You can't hear it at all when in night mode and you can feel a gentle breeze as it is slowly purifying the air."
Thai 13 March 2022
"In the OLED Touch Screen, There is only a green bar. There is no other information. What problem?"