Table For Steamer - Tray Insert - 7 X 2/3 GNTable for Steamer Tray Insert 7 x 2 3 GN This tray insert is suitable for the combi steam oven 4 x 2 3 GN table. This tray insert can be added to the table and has 7 levels to store your 2 3 GN baking trays or oven grids. By adding the tray insert, you can slide the trays into the guiders and let your food cool. You can also use it to store your empty trays.