Shiley™ Flexible Tracheostomy Tube Cuffless with Disposable Inner Cannula, ISO 6.5mm, Size 4, Latex-Free, Sterile, Each, Product #4UN65H
? Inside Diameter (I.D.) 6.5mm
? Outer Diameter (O.D.) 9.4mm
? Length 62mm
? Compatible inner cannula Shiley™ 4IC65