3D-Knit Mask with Replaceable Filter
$3.99
This knit filter mask comes with eight filters which can be replaced between washes or as needed. The filter material has been tested using a NaCl challenge aerosol with 0.3 micron particle size, and is rated as BFE 98. It is made from spun-bonded 25 gsm poly-propylene and is custom fitted to the mask.
Description
This knit filter mask comes with eight filters which can be replaced between washes or as needed. The filter material has been tested using a NaCl challenge aerosol with 0.3 micron particle size, and is rated as BFE 98. It is made from spun-bonded 25 gsm poly-propylene and is custom fitted to the mask.
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