UPRIGHT FREEZER SERIES MDF-DU302VX MDF-DU502VX MDF-DU702VX MDF-U33V MDF-U55V MDF-U74V MDF-DU900V CHEST FREEZER SERIES MDF-1156/MDF-1156ATN MDF-C2156VAN MDF-C8V1 MDF-594/MDF-594AT MDF-794/MDF-794AT