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*Mask Filter – PM 2.5 – 5 pack


or 6 weekly interest free payments of NZD $0.83 with

This listing is for five PM2.5 disposable filter. 5 layer activated carbon, 12cm x 8cm.

3 in stock


Mask Filter

This listing is for five PM2.5 filter. These can be inserted into our pocket masks, to add additional filtering to the mask.

The PM2.5 name comes from these filters’ original use as protection against Particulate Matter 2.5, the smallest and most dangerous form of air pollution. Airborne virions are even smaller than PM2.5 (the Coronavirus’s lipid envelope is about 120 nanometers across). However, research has shown the material to capture nanoparticles of this size with a high degree of efficiency (approx. 95%), and lab tests show a PM2.5 filter with a properly-fitted cloth mask can reduce total airborne particulates by as much as 90%. (Supplier has provided these statistics).

5 layer activated carbon filter inserts for masks.

12cm x 8cm

When they reach their full capacity, PM2.5 filters lose their effectiveness in trapping air pollutants so they need to be changed regularly. Filters should be replaced after 16-24 hours of total use.

One use only, cannot be washed with your fabric masks.



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