Outdoor Research Essential Face Mask Filter Replacement - 3-Pack reviews and deals for sale

Wearing a filter-equipped face mask doesn't do you a whole lot of good if you don't take the care to change them out. This pack includes 3 filters for your Outdoor Research Essential Filtered Face Mask Kit. In accordance with ASTM test standards, these US-made filters prevent the passage of 95% of virus, bacteria, and other particles, reducing your risk of contaminant transmission.