General Tools NGD7201 Precision Gas Leak Detector Gas Dog and refrigerant gas leak detector is a precision instrument for the detection of combustible gas leaks. General Tools NGD7201 Precision Gas Leak Detector Gas Dog is a gas leak detector with unique compact ergonomic design.
Proposition 65 Warning for California Residents: This product can expose you to chemicals including Benzene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to 
