This upright blood bank refrigerator, Thermo Scientific BBR11-1B, has a forced air circulation system ensuring maximum temperature uniformity and rapid temperature recovery. Its unique Jewett style inner rigid frame cabinet construction enhances durability and integrity while its commercial grade, dual pivot adjustable door hinges give airtight door closures. The digital temperature controller is preset for 4 deg C operation. Its stainless steel "Cold Saving" drawers with solid bottoms are fully extendable and adjustable on 1 inch (25mm) centers while its condensate evaporator tray has an auto-clean mechanism. This unit is an ideal blood storage appliance.