OmniMask E100 filters use industry-leading materials tested to achieve 99.5% filtration efficiency with 0.1 micron particulates while providing outstanding breathing.

E100 filter materials also provide 99.99% or better viral and bacterial filtration efficiency, according to independent testing by Nelson Labs in compliance with ASTM-F2101 and FDA regulations.  All test reports here.

Includes:  15 packof E100 filters in a tamper-evident resealable bag.  Made in USA.