NESCO Snackmaster Clean-A-Screens are ideal for dehydrating sticky fruits and small foods. Dry items like spices and herbs that would normally fall through the spokes of the dehydrator tray. Each removable mesh screen flexes for easy removal of sticky fruits like pineapple and is made of high-quality food grade plastic. To use, simply dry food on the rough side of the screen. To remove the food, use the finger notches on each side of the screen and flex toward the center with a curling action until the food becomes loose. If necessary, cool the screen in the refrigerator to aid in the removal of extremely dried-on food. NESCO Snackmaster Clean-A-Screens fit NESCO 20, 30, 60, and 70 Series Dehydrators are BPA-free and compatible with 13 1/2" diameter trays. HAND WASH ONLY