Choose Options Quick view Smiths Medical Asd Inc Smiths ASD Bivona® Uncuffed Pediatric FlexTend Plus Extra Length Tracheostomy Tube Size 6, 6mm I.D. x 8-7/10mm O.D. $392.75 Bivona uncuffed pediatric flextend plus tracheostomy tube, 6 mm Compare Choose Options Add to Wishlist