Cambridge Mask Co N99 size large Churchill
New, sealed in box Filters smoke, viruses, dust and pollen Washable and reusable The Churchill PRO boasts exclusive long-lasting filter technology designed by the British Ministry of Defence. Filtering out nearly 100% of all harmful air pollutants and viruses. Lightweight and breathable, this certified face respirator has a snug fit for maximum protection. Unique Lab tested British Military Filtration Technology filters almost 100% of pollution, gases, allergens, smog, and pollen Lightweight,