The Perlick 1053556 is a Bevchek Cooler Air Temperature Sensor designed specifically for draft beer coolers. This essential component ensures optimal temperature regulation within your cooler, maintaining the perfect serving conditions for your beverages. Each sensor is engineered for precise temperature readings, enhancing the overall performance and efficiency of your cooling system. Ideal for maintaining the quality and freshness of your draft beer, this sensor is a must-have for any serious beverage enthusiast or commercial establishment. One sensor is included per cooler.