Sub-Zero 48-inch refrigerator with glass door. With over 30 cu. ft. of storage, this model holds a breathtaking assortment of foods, and keeps it all as fresh as the day it was picked or caught. Dual refrigeration, with two compressors and three evaporators, provides just the right environment for fresh or frozen foods, and prevents odor transfer. A magnetic door seal system keeps food fresh or frozen even if your power goes out.