The Smiths Medical 526070 is a replacement inner tracheostomy cannula. It is size 6mm and designed to be flexible for patient comfort. The cannula is color-coded for easy identification and is part of the Portex range, known for its quality and reliability. This product is disposable and non-sterile, making it a convenient and hygienic choice for healthcare providers. It comes in a case of 60, making it an economical choice for hospitals and clinics.