Description Conveniently carry your oxygen cylinder with this Cylinder Case. This Case is designed to hold one M6 or M9 medical oxygen cylinder. It features a clear window that allows the user to check the status of their oxygen cylinder. The Cylinder Case has a vented mesh back to conserve the oxygen cylinder. It has a side carry handle and detachable straps that allows the users to carry it vertically or horizontally. It is machine washable which makes it easy to clean and maintain.