The Qwik Mini duct-temperature sensor is among the smallest on the market and installs quickly and easily with patented Qwik Connect technology. According to the manufacturer, in testing against other similar products that utilize wire nuts, the Qwik Mini and its spring-loaded clips saved 2 to 3 minutes per sensor. The Qwik Mini comes with a 5-year warranty, and is available in a variety of NTC thermistors, and resistance temperature detectors. It is available in probe lengths ranging from 4-in. to 18-in. —Tasseron Sensors and Controls