Blue Monster Microbubble 8 in. Gas Leak Detector 1 pk

This easy-to-use leak detector is also effective on natural gas, propane, butane, air, nitrogen, chlorine, CO2 and most other gases and will not cause corrosion or deterioration of metal or plastic piping systems. Microbubble’s dependable formula provides long-lasting leak detection up to 10 minutes after application.