The Refrigerator Shelf is an OEM replacement part for Frigidaire side-by-side refrigerators. It is a durable glass surface that provides adjustable storage for various food items within the refrigerator compartment.  Symptoms of a bad shelf include:   Cracks or chips in the glass that can collect bacteria Sagging or inability to properly support weight Broken mounting clips that cause the shelf to become loose Causes of a bad shelf are typically normal wear and tear over time from repeated loading/unloading of items. Impact damage or overloading beyond weight limits can also cause failure. Compatible with some Electrolux, Roper, and KitchenAid models as well, it ensures shelves support refrigerated goods as intended.240355270 (AP5690244) replaces 240355205, 240355208, 240355226, 240355236, 240355254, 240355256, 3016189, PS8689182.