15802-2-FT / 2 Ft Adult Nasal + Oral Pressure Monitoring Cannula w/ attachable filter (Box/50) SleepSense Adult Oral/Nasal Pressure Cannulas are soft, flexible and designed specifically for pressure monitoring.  The oral trunk of this cannula is designed with a wire for easy adjustment near the patient’s mouth. Case Includes: #15802-2, 2ft Adult Oral/Nasal Cannula (Box 50) #15809, Disposable Cannula Filter (Box 50)