Moshi OmniGuard™ Mask with 3 Replaceable Nanohedron Filters - Ocean Black (M) PM 0.075 Filtration, Anti-bacterial Treatment, Washable and Reusable, Includes Carry Pouch - Breathable, Water Resistant, Anti-bacterial, Nose Bridge, Earloop Style Mask, Washable, Reusable, Replacement Filter, Cushioned, Adjustable, Comfortable, ... - Medium Size - Bacteria, Virus, Pollen, Dust, Pollution, Particulate, Smoke Protection - Ocean Black - 3: