The Mi Air Purifier has two fans and four air ducts. It can produce 10,000 liters of clean air per minute and the 3 layer filter removes 99.99% of PM2.5 particles. PM2.5 particles are the ones that are smaller than 2.5 micrometers and contain dust , dirt, soot, smoke and liquid particles and are harder to filter and usually cause the most damage to lungs.
Other than that, the machine also has real time air quality monitor and auto speed control and you can use your smartphone to control it and get alerts.
