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- These Activated Carbon PM2.5 filters are 10.8cm x 8.3cm in dimensions and compatible with all Circios Reusable Face Masks.
- PM2.5 filters are originally designed for filtering toxic air from bushfire and urban air pollution. While they have passed the PM2.5 standards, they are not medical grade filters.
- PM2.5 filters will provide more protection compared to plain cotton fabric.
- Made with 5 layers of melt-blown, spun-bond and activated-carbon fabric.
- PM2.5 filters WILL NOT provide 100% protection against viral and bacterial infections.