Do you use Puraka Pollution Mask Calculator?
What is Puraka Pollution Mask Calculator?
How do you know what pollution mask is most effective for smoke and other harmful particulates? Puraka Clean Air Resources' Pollution Mask Calculator shows you exactly what filter (N95, N99, etc.) and "fit factor" are optimal for the current air quality.
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Puraka Pollution Mask Calculator
How do you know what pollution mask is most effective for smoke and other harmful particulates? Puraka Clean Air Resources' Pollution Mask Calculator shows you exactly what filter (N95, N99, etc.) and "fit factor" are optimal for the current air quality.
