Each one of our specifically cooled boxes has gravity-fed racks, which can hold up to 530 pallets, with each pallet weighing up to 2,500 lbs. These boxes are all the same size at 8,000 square feet. Box three’s temperature is usually set at 48° F. Items in this box include; tomatoes, bell peppers, brown onions, yellow onions, red onions, lemons, limes, oranges, mangos, avocados, eggplant and squash.