Replacement Face Mask Filters

5 PACK SPORT MASK REPLACEMENT FILTERS Imported 5 Pack of Activated Carbon Filtration Filters Fits Most Sport Face Masks  Effective Filtration for Cycling, Hiking, Running and Other Outdoor Activities This Filter is NOT Reusable Discard After...

When you purchase this product you will receive ten PM2.5 filters. These insertable pieces offer an extra layer of protection, and are compatible with our masks that feature a rear filter pocket. PM2.5 FILTER - DESIGNED FOR REAR POCKET...