Mr Seldon said the P2 mask, the Australian equivalent of the US N95 mask, sets itself apart because it uses nano technology. It is made from four layers of fine nano-fibres that filter out 99.66 ...

P1 devices provide low levels of dust protection, while P2 masks are better at filtering out particles. You can buy them from hardware stores, but they need to fit correctly to be effective.

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For yard work, the BASE CAMP M Pro offers 99.6% filtration with its 6-layer FFP2 filter, blocking dust, pollen, and fumes while ensuring comfort and a secure fit.California, United States, March ...