• Detects even the smallest of gas leaks Non-freezing formula, usable from 10 to 215 deg F Will not cause corrosion or deterioration of metal or plastic piping systems Ideal for testing pressures less than 1 psi

Blue Monster® microbubble leak detector is a sensitive solution formulated to detect even the smallest of leaks in air and gas lines, tanks, cylinders, valves, fittings, pipelines and other suspect areas. Blue Monster's dependable formula provides long-lasting leak detection up to 10 min after application. Ideal for identifying leaks in refrigeration and air conditioning systems, this easy-to-use leak detector is equally effective on natural gas, propane, butane, air, nitrogen, chlorine, CO2 and most other gases. Not for use on oxygen systems.