Disposable Cannula Cuffless Tracheostomy Tube 10 Size 79mm L, 13-4/5mm O.D. x 8-8/9mm I.D.Shiley's Disposable Cuffless Tubes provide easy change-outs , thanks to a convenient snap-lock connector, swivel neck plates and a radio opaque outer cannulae of polyvinyl chloride. Each DCFN is fully compatible with the current Disposable Inner Cannula