Do it Best Gas Leak Detector
Detect any gas leak in just a few seconds on all types of tubing, valves, cylinders, pressurized tanks, or any system under air, gas or oxygen pressure. May be used at temperatures between -50 deg. F. to +160 deg. F. Nontoxic, biodegradable, user friendly, noncorrosive, nonirritating to most skin. 2 oz. plastic spray bottle.