This Avantco 178SHELFRAIL shelf rail set is designed specifically for use with Avantco CFD series reach in refrigerators and freezers to help you store 12" x 20" food pans more easily! Easy to clip in place, the shelf rails are a quick, long-lasting solution to your storage problems. Simply slip them into your unit and you can add more shelves to your unit in moments. Made of corrosion resistant type 304 stainless steel, you can count on them to resist rust and corrosion in the damp environment in your CFD refrigerator or freezer. This shelf rail allows your unit to hold either (2) full size 12" x 20" food pans, or (1) shelf.