HN99 Activated Carbon Replacement Filters for PM2.5 Masks (4 Pack)
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Replacement Filters
The Particulate Filters are NIOSH approved for protection against solid and liquid particles - not including those that contain oil. These replacement filters are NIOSH certified to have filter efficiency level of 95% or greater against non-oil based particulates.
The replacement filter can be used with any PM2.5 face mask.
Includes 4 filters per/package.
H.A.M mask are washable and reusable for about 3-6 months depending on air quality conditions.
Replacement Filters
The Particulate Filters are NIOSH approved for protection against solid and liquid particles - not including those that contain oil. These replacement filters are NIOSH certified to have filter efficiency level of 95% or greater against non-oil based particulates.
The replacement filter can be used with any PM2.5 face mask.
Includes 4 filters per/package.
H.A.M mask are washable and reusable for about 3-6 months depending on air quality conditions.