Presto Cooking/Canning Rack for Pressure Canner 11 Inch Diameter Pressure Canner Rack, Genuine replacement Presto part Keeps food out of the cooking liquid when cooking Prevents intermingling of flavors during cooking Keeps jars off the bottom of the unit while canning Genuine replacement Presto part Keeps food out of the cooking liquid when cooking Prevents intermingling of flavors during cooking Keeps jars off the bottom of the unit while canning