MyAir Comfort Mask Replacement Filters - 3 Pack - Made in USA
Replacement filters for MyAir comfort mask. Helps keep you hydrated while blocking out 99.997% of viruses, bacteria, allergens and contaminants. Filter membranes block 99.997% of airborne pathogens (bacteria & viruses that cause illness), block allergens, pollen & airborne contaminants down to 0.1 microns, and reduce moisture loss by 88%. Data from independent microbiology & permeation test lab results for MyAir filters.