Inaccurate refrigerator or freezer temperatures can cause food spoilage, increase food borne illnesses, damage the reputation of your establishment and cost you in time and money. Prevent these unnecessary events from occurring with the TruTemp Refrigerator/Freezer Thermometer from Taylor. The Thermometer is easy to read and makes it easy to stay compliant with temperature regulations with safe temperature indicators printed in the tube. The unit is constructed of durable plastic and can be clipped, hung or attached with suction cups for the most space saving and accurate temperature readings available. Temperature Range: -20F to 60F / -30C to 20C . - NSF listed - Sold per each