Roscoe Medical Oxygen Cylinder Fanny Pack/Shoulder Bag for M6, M9/C Oxygen Cylinders, Navy Blue Easily transport your M6 or M9/C oxygen cylinders along with your oxygen supplies and accessories in this convenient transport bag. Bag can be worn as a hip pack/fanny pack or as a shoulder carrier - choose your preference. Converts to shoulder carrier with detachable strap Padded comfort waist belt adjusts up to 56 inches Adjustable side straps provide snug, supportive fit to lower back Interior accessory...