Getting things clean is of the highest importance in any establishment and the Carlisle - RB14 - 4 inch OptiClean™ Open Bowl Rack can help with the process. The RB14 is a beautiful blue color and holds a variety of bowls in the 4 inch size. The Carlisle 4 inch OptiClean™ Open Bowl Rack (RB14) is just under 20 inches long and wide and 4 inches tall. It can withstand temperatures of 40 below to 180 degrees and is made from durable polypropylene.