What Is The Usage Of WestMed ComfortSoft Plus (Super Soft) Nasal Cannula with 7 Foot Clear Oxygen Supply Tubing & Threaded Nut?

This cannula is disposable and should be discarded and replaced when it becomes soiled, discolored or the prongs become stiff. For best performance, cannulas should be replaced at least once every 14 days. For complete instructions review the documentation that came with your equipment.