ILR stands for Ice Lined Refrigerator in the cold chain industry. The Ice Lined Refrigerator is a specialized device that ensures constant temperature of +2°C to +8°C in order to store vaccines, blood bags, biological specimens, and other medical products with certain temperature requirements. In contrast to standard refrigerators, an Ice Lined Refrigerator has ice lining in its inner... https://www.bionicsscientific.com/laboratory-refrigerator/ice-lined-refrigerator.php