- MICS Cannulae, Bi-Flow Femoral Arterial, 19 Fr, 203-019Order Code203-019Size19 FrOuter Diameter (mm)6.33Connection Site3/8"Effective Length (cm)26,7Available CoatednoQty per box5NoteKit Includes: Bi-Flow ECMO 19 Fr, Dilators (12, 19 Fr), Needle 18 Ga, Scalpel, Syringe 5 ml, Guidewire (100 cm, 0.035”), Cannula Introducer, Suture ring