N99 Replacement Filters
The N99 Particulate Filters are NIOSH approved for protection against solid and liquid particles - not including those that contain oil. N99 replacement filters are NIOSH certified to have filter efficiency level of 95% or greater against non-oil based particulates.
The N99 replacement filter can be used with any PM2.5 face mask.
Includes 4 N99 filters per/package.