The AllPoints Foodservice Parts & Supplies 1381278 is a reliable thermometer designed for refrigerator and freezer applications. It features a 48" capillary tube for accurate temperature readings, with a bulb measuring 2-1/2" x 5/16". The 2-3/4" dial provides clear visibility of the temperature range, which spans from -40° to 60° F. Constructed with durable stainless steel housing, this thermometer is built to withstand the rigors of foodservice environments. It is NSF certified, ensuring compliance with health and safety standards.