Make sure to research about the type of filter used in an air purifier before getting one. The filter must be equipped to filter things like pollen, dust, smoke, odour and other harmful pollutants. There are four types of filter available – HEPA (High Efficiency Particulate Air), charged media, antibacterial and germicidal, and electrostatic precipitator.

Along with this, ensure that the air purifier has a pre-filter which can remove pet hair and other large particles from the air purifier at the primary filtration stage. You need to change the filters regularly to increase the purifier’s cleaning efficiency.


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