The AllPoints Foodservice Parts & Supplies 621039 Refrigerator/Freezer Thermometer features a 2" dial and a 3" flange for easy visibility and installation. It includes a 48" capillary tube with a 3/8" OD x 2-1/2" long bulb, allowing for accurate temperature readings in both refrigerators and freezers. With a temperature range of -40° to 60° F, this thermometer can be calibrated for precision. Its durable stainless steel housing ensures longevity and reliability, and it is NSF certified for safety and quality standards.