Pm2.5 filters and Carbon Activated Masks New Zealand

Pm2.5 filters are made of 3-layer carbon activated cloth which makes it one of the safest choices as covid-19 masks. Pm2.5 is made of non-woven fabric and comes in variety of shapes and sizes. The 2.5 in PM2.5 refers to the size of the pollutant in micrometres.

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