Plastic egg trays offer the most efficient system for gathering, spray disinfectant treating and storing of eggs. At time of setting eggs, just remove loaded egg tray from storage area and place it on the incubator turning rack. The No. 1500 and 1502 incubators are equipped with turning racks that will accommodate plastic trays to hold your eggs in place. Holds extra large eggs Turkey, Duck, Jumbo Chicken, etc. Each of the No. 1502 turning racks will hold 1 extra large egg trays (66 eggs) for a total of 198 eggs per incubator. SET OF 3 TRAYS.