Klein Tools ET120 Combustible GAS Leak Detector

The Klein Tools Combustible Gas Leak Detector is the perfect choice for HVAC professionals. The ET120 is an easy-to-use tester that provides audible and visual alarms in the presence of methane propane and other combustible gases at concentrations as low as 50 ppm. It includes the detector 4xAAA batteries instruction manual and storage pouch.