Vented Diehl Cannulas Vented Cannula with simple fenestration at thumb rest for control of aspirationCan help prevent over-suctioning areasReduces OR time by avoiding removal of cannula for venting Video: Demonstration of the Vented Diehl Cannula Video: Benefits of the Vented Diehl Cannula To order: Please use the form below, or call our office at (770) 414-4880. To help place your order, tell us which tip style, diameter (2mm, 3mm, 4mm, or 5mm) and length (15cm, 26cm, 32cm, or 36cm) you need. We look forward to hearing from you! Name: Email: Phone: # for one of our sales reps to contact you: Please tell us the tip style, diameter, and length of the Vented Diehl cannula you are looking for, if possible. Thank you!