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
-45%
-31%
-40%
-50%
-36%
-38%
-35%
-46%
-44%
-43%
-42%
-41%
-37%
-50%
-19%
