COVID-19 protection - Filter insert replacements 4 / $25
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$25.00
$25.00
$25.00
On Sale
per item
Filter insert replacements 4/$25.
The 95% protection filter inserts have been tested by scientists against all of the materials, including cotton, graphite, coffee filters, and other types of filter systems down to 0.3 microns, And proving to be 2 to 3 times better than just a constant or material mask alone.