Reusable face cover with PM2.5 Carbon filters

None medical face cover. Air Pollution Face Mask with PM2.5 Filters With adjustable nose bridge and hook strap, fit a variety of face, comfortable to wear. With breathing valve, it allows air to enter the body whilst keeping moisture out. It also keeps you away from toxins and harmful substances in the air. Reduce the risk of breathing in gases, noxious smells, pollen, smoke, dust and other harmful particles.