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
-33%
-25%
-42%
-36%
-25%
-37%
-34%
-45%
-28%
-50%
-37%
-28%
-40%
-33%
-36%
