The Comark Refrigerator/Freezer Thermometer (EFG120C) is an NSF certified liquid thermometer that's filled with nontoxic spirits that accurately gauges the temperature in your establishment's freezers and fridges. This thermometer can be hung or mounted wherever your staff need it the most, and it has protective end caps to keep the spirits from spilling out. Comark - EFG120C - Refrigerator/Freezer Thermometer has a temperature range from -40 to 120 degrees Fahrenheit, so it can handle a wide va...