Nosa Plugs AB, a medical technology company, develops, manufactures, and sells intranasal breathing products in Sweden, rest of Europe, the United States, Canada, and internationally. The company offers NOSA allergy filter that filters airborne allergens, such as pollen, pet dander, dust, and mold; NOSA smell training, a smell training medical device to improve the sense of smell for individuals with parosmia and hyposmia; NOSA odor control, which reduces bad odor; NOSA microbial control that reduces the exposure of viruses and bacteria by inhalation through the nose; and NOSA Nozoil original, a moisturizing nasal spray for people suffering from dry nasal mucosa. Nosa Plugs AB was incorporated in 2014 and is headquartered in Stockholm, Sweden.