The NESCO Add-A Tray 2-Pack for FD60 & FD70 Series expands the capacity of your NESCO dehydrator. The NESCO extra trays are made from high-quality food-grade plastics for durability and safe use, while the size and design allow you to use them with both the NESCO 60 and 70 Series dehydrators. Featuring the patented Converga-Flow drying system, you'll be able to dehydrate larger batches of foods quickly and evenly.