Designed to change with your needs, Ferno's universal oxygen cylinder bracket accommodates steel and aluminum cylinders including D, E and Jumbo D sizes. The neck support bracket can be changed with common tools to fit either D or E size cylinders. Universal oxygen cylinder bracket does not interfere with most oxygen regulator controls. Constructed of stainless steel and aluminum alloy, the bracket will not rust or corrode. Heavy-duty nylon strap and metal buckle keep cylinder in place.