The AllPoints Foodservice Parts & Supplies 8405429 is a reliable refrigerator and freezer thermometer designed for precise temperature monitoring. Featuring a 3-inch outer diameter dial, it provides clear visibility of temperature readings. With a temperature range of -30°F to 70°F (-30°C to 21°C), this thermometer is ideal for ensuring optimal food storage conditions. It is NSF certified, ensuring compliance with health and safety standards.