KIEG05424 :: Crystal (thick plastic) bottom shelf
Number 29 on diagram. The model number of your Mitsubishi fridge is on a label on the inside of the door, bottom right hand side.
For use in the following Refrigerator/Freezers
MR-508M, MR-560M, MR-508J, MR-560J, (includes all L, -W & -ST variations)