Sports Cycling Face Mask With Anti-Pollution Filters

Five Layers of Filter Structure Breathing face mask include one filter, which has 5 layers provide professional filtration. The first layer blocks large particles, the second activated carbon filter layer filter benzene, car exhaust. The third and fourth layer filter 0.03-0.3 microns of dust and particles. The fifth non-woven layer comfortable and breathable.
Double Strapping System This reusable mask is also designed well because it uses both a loop system which sits comfortably behind the ears to keep it firmly in place, but also has velcro strapping behind the head, so there is no need to consistently readjust the mask or have it slip. The durable design ensure a comfortable and firm fit and prevents dust and other contaminants from penetrating the mask.