Prana Pollution Mask Filter has 3 different kinds of filters in the mask planted with 5 more layers. There is a pre-filter which stops the big particles of the dust. The mask also features 2 layers of activated carbon eliminating toxic gas and 2 layers of HEPA filter stopping dust particles up to PM1.
Being exposed to outdoor air pollution for a long time can cause harmful health effects. To save yourself from the adverse effects of the rising pollution level in your city, we recommend to wear anti-pollution at all times.
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