You Can Find the Model Number under the Hopper Lid on a Sticker. The First Section of Numbers in the Serial Number is the Model Number. For example：TFB42LZB
-50%
-58%
-37%
-25%
-25%
-25%
-33%
-28%
-42%
-50%
-36%
-30%
-50%
-10%
-28%
