The SUB ZERO BI-36UG/S/TH/LH Refrigerator Built-in 21.3 cu. ft. B/M Drawer is the perfect addition to your home. It features dual refrigeration system that uses separate compressor and cooling system for refrigerator and freezer to preserve the freshness of the food for long. This refrigerator includes a crisper and deli drawer to lock in humidity and helps the produce to stay fresh for long. The SUB ZERO BI-36UG/S/TH/LH Refrigerator Built-in 21.3 cu. ft. B/M Drawer includes a water filtration system that reduces contaminants and chlorine taste from water and ice. This refrigerator is equipped with automatic ice maker that offers consistent supply of crescent-shaped ice.