Coviden Shiley 6DIC Inner Cannula for a tracheostomy, all in sterile sealed blister packs, 10 spacks per box. I have 6 of these boxes if you need more than 10. For other tracheostomay supplies and to see over 200 related items, click on the “more ads by this user” link at the right. This item is in new condition, but is sold as-is, no returns, so pickup and inspection in Tucson, Arizona, is preferred.