Increase the capacity of your Presto ® food dehydrator with add-on nesting Dehydrator Trays. Add up to 6 trays for a fully expanded 12 tray capacity. Trays nest for compact storage. Stores in up to 50% less space. Designed for use with Presto ® model 06304 food dehydrator. Package contains set of 2 add-on nesting dehydrator trays.