This listing is for one used Criterion refrigerator main control board. Part # 40301-0128400-01 was removed from Criterion refrigerator model # CFRR255WD1V and is in great working shape. Will fit several different makes and models. May have typical signs of being a used part such as minor staining or scratches. If you are unsure if this is the correct part for your refrigerator, please contact us and we will verify for you.