For dual lumen nasal cannula, everyone has different special concerns about it, and what we do is to maximize the product requirements of each customer, so the quality of our dual lumen nasal cannula has been well received by many customers and enjoyed a good reputation in many countries. Forlong Medical dual lumen nasal cannula have characteristic design & practical performance & competitive price, for more information on the dual lumen nasal cannula, please feel free to contact us.