EUF-333_STIRLING ULTRACOLD_3.7_REGULAR_RACK_FOR_3″_BOXES December 20, 2018 To fill this freezer you will need… Maximum Rack Capacity per Freezer: 6 Maximum Boxes Per Rack: 9 boxes Maximum Boxes Per Freezer: 54 boxes Internal Freezer Dimensions: 18″W x 17.6″F-B x 21″H