3M Electrostatic Air Purifying Filter for Split Acs Air Purifier Filter  (HEPA Filter)

You can ensure that the air in your room is pure and clean with the 3M Electrostatic Air Conditioner Filter. It can capture most PM 2.5 particles from indoor air in an hour, thus ensuring quick results. Also, this filter changes colour from white to black in about three months, indicating that it is doing a good job purifying the air. Moreover, by trapping dust, smoke, pet dander, fungi, and bacteria, this filter improves the air quality with minimal airflow resistance.