Moshi OmniGuard™ Mask with 3 Replaceable Nanohedron Filters - Ocean Black (S) PM 0.075 Filtration, Anti-bacterial Treatment, Washable and Reusable, Includes Carry Pouch - Cushioned, Earloop Style Mask, Comfortable, Anti-bacterial, Replacement Filter, Washable, Reusable, 5-layered, Disposable, Adjustable, Bacterial Filtration Efficiency (BFE), ... - Small Size - Bacteria, Virus, Pollen, Dust, Smoke, Pollution, Particulate Protection - Ocean Black - 3: