Ensure precise cold-storage monitoring with this American-made Refrigerator/Freezer Thermometer from Cooper-Atkins. Featuring a durable 2-inch stainless steel construction, it can easily hang or stand inside commercial units. It includes a clear HACCP reference dial and is NSF certified, operating reliably across a temperature range of -29°C to 27°C. It is an essential, high-quality diagnostic tool for food safety compliance in professional kitchens.