This three tier back rail anesthesia accessory offers additional hanging area for Classic Line mini anesthesia carts. Constructed from three 24″ wide painted aluminum bars, the entire backrail system can easily be mounted directly to the back of any Classic Line mini cart. A variety of other rail clip accessories can be affixed to this item’s three rails. Upgrade your anesthesia carts for maximum storage capacity by enhancing them with a Harloff back rail system. The 68157 is the same as the MINI24-RBR3.